diff --git a/src/execute.c b/src/execute.c
index e36f682..9595fcc 100644
--- a/src/execute.c
+++ b/src/execute.c
@@ -101,6 +101,7 @@ static struct cmd_func group_commands[] = {
     { "/unignore",  cmd_unignore       },
     { "/unmod",     cmd_unmod          },
     { "/unsilence", cmd_unsilence      },
+    { "/whois",     cmd_whois          },
 #ifdef AUDIO
     { "/mute",      cmd_mute           },
     { "/sense",     cmd_sense          },
@@ -108,7 +109,7 @@ static struct cmd_func group_commands[] = {
     { NULL,         NULL               },
 };
 
-#define NUM_SPECIAL_COMMANDS 14
+#define NUM_SPECIAL_COMMANDS 15
 static const char special_commands[NUM_SPECIAL_COMMANDS][MAX_CMDNAME_SIZE] = {
     "/ban",
     "/gaccept",
@@ -124,6 +125,7 @@ static const char special_commands[NUM_SPECIAL_COMMANDS][MAX_CMDNAME_SIZE] = {
     "/unignore",
     "/unmod",
     "/unsilence",
+    "/whois",
 };
 
 /* return true if input command is in the special_commands array. False otherwise.*/
diff --git a/src/group_commands.c b/src/group_commands.c
index 6d0f612..a3419a1 100644
--- a/src/group_commands.c
+++ b/src/group_commands.c
@@ -29,6 +29,8 @@
 #include "log.h"
 #include "groupchat.h"
 
+extern GroupChat groupchats[MAX_GROUPCHAT_NUM];
+
 void cmd_chatid(WINDOW *window, ToxWindow *self, Tox *m, int argc, char (*argv)[MAX_STR_SIZE])
 {
     char chatid[TOX_GROUP_CHAT_ID_SIZE * 2 + 1] = {0};
@@ -623,3 +625,67 @@ void cmd_unignore(WINDOW *window, ToxWindow *self, Tox *m, int argc, char (*argv
 
     line_info_add(self, timefrmt, NULL, NULL, SYS_MSG, 1, BLUE, "-!- You are no longer ignoring %s", nick);
 }
+
+void cmd_whois(WINDOW *window, ToxWindow *self, Tox *m, int argc, char (*argv)[MAX_STR_SIZE])
+{
+    if (argc < 1) {
+        line_info_add(self, NULL, NULL, NULL, SYS_MSG, 0, 0, "Peer must be specified.");
+        return;
+    }
+
+    GroupChat *chat = &groupchats[self->num];
+
+    if (!chat) {
+        line_info_add(self, NULL, NULL, NULL, SYS_MSG, 0, 0, "Whois failed.");
+        return;
+    }
+
+    const char *nick = argv[1];
+    uint32_t peer_id;
+
+    if (group_get_nick_peer_id(self->num, nick, &peer_id) == -1) {
+        line_info_add(self, NULL, NULL, NULL, SYS_MSG, 0, 0,  "Invalid peer name '%s'.", nick);
+        return;
+    }
+
+    int peer_index = get_peer_index(self->num, peer_id);
+
+    if (peer_index < 0) {
+        line_info_add(self, NULL, NULL, NULL, SYS_MSG, 0, 0, "Whois failed.");
+        return;
+    }
+
+    const char *status_str = "Online";
+
+    if (chat->peer_list[peer_index].status == TOX_USER_STATUS_BUSY)
+        status_str = "Busy";
+    else if (chat->peer_list[peer_index].status == TOX_USER_STATUS_AWAY)
+        status_str = "Away";
+
+    const char *role_str = "User";
+
+    if (chat->peer_list[peer_index].role == TOX_GROUP_ROLE_FOUNDER)
+        role_str = "Founder";
+    else if (chat->peer_list[peer_index].role == TOX_GROUP_ROLE_MODERATOR)
+        role_str = "Moderator";
+    else if (chat->peer_list[peer_index].role == TOX_GROUP_ROLE_OBSERVER)
+        role_str = "Observer";
+
+    char last_seen_str[128];
+    get_elapsed_time_str_2(last_seen_str, sizeof(last_seen_str), get_unix_time() - chat->peer_list[peer_index].last_active);
+
+    char pk_string[TOX_GROUP_PEER_PUBLIC_KEY_SIZE * 2 + 1] = {0};
+    size_t i;
+
+    for (i = 0; i < TOX_GROUP_PEER_PUBLIC_KEY_SIZE; ++i) {
+        char d[3];
+        snprintf(d, sizeof(d), "%02X", chat->peer_list[peer_index].public_key[i] & 0xff);
+        strcat(pk_string, d);
+    }
+
+    line_info_add(self, NULL, NULL, NULL, SYS_MSG, 0, 0, "Whois for %s", nick);
+    line_info_add(self, NULL, NULL, NULL, SYS_MSG, 0, 0, "Role: %s", role_str);
+    line_info_add(self, NULL, NULL, NULL, SYS_MSG, 0, 0, "Status: %s", status_str);
+    line_info_add(self, NULL, NULL, NULL, SYS_MSG, 0, 0, "Last active: %s", last_seen_str);
+    line_info_add(self, NULL, NULL, NULL, SYS_MSG, 0, 0, "Public key: %s", pk_string);
+}
diff --git a/src/group_commands.h b/src/group_commands.h
index 9058e1b..8635311 100644
--- a/src/group_commands.h
+++ b/src/group_commands.h
@@ -43,5 +43,6 @@ void cmd_unsilence(WINDOW *window, ToxWindow *self, Tox *m, int argc, char (*arg
 void cmd_unban(WINDOW *window, ToxWindow *self, Tox *m, int argc, char (*argv)[MAX_STR_SIZE]);
 void cmd_unignore(WINDOW *window, ToxWindow *self, Tox *m, int argc, char (*argv)[MAX_STR_SIZE]);
 void cmd_unmod(WINDOW *window, ToxWindow *self, Tox *m, int argc, char (*argv)[MAX_STR_SIZE]);
+void cmd_whois(WINDOW *window, ToxWindow *self, Tox *m, int argc, char (*argv)[MAX_STR_SIZE]);
 
 #endif  /* GROUP_COMMANDS_H */
diff --git a/src/groupchat.c b/src/groupchat.c
index 4df297a..d32c802 100644
--- a/src/groupchat.c
+++ b/src/groupchat.c
@@ -63,16 +63,16 @@
 
 extern char *DATA_FILE;
 
-static GroupChat groupchats[MAX_GROUPCHAT_NUM];
+GroupChat groupchats[MAX_GROUPCHAT_NUM];
 static int max_groupchat_index = 0;
 
 extern struct user_settings *user_settings;
 extern struct Winthread Winthread;
 
 #ifdef AUDIO
-#define AC_NUM_GROUP_COMMANDS 39
+#define AC_NUM_GROUP_COMMANDS 40
 #else
-#define AC_NUM_GROUP_COMMANDS 35
+#define AC_NUM_GROUP_COMMANDS 36
 #endif /* AUDIO */
 
 /* groupchat command names used for tab completion. */
@@ -112,6 +112,7 @@ static const char group_cmd_list[AC_NUM_GROUP_COMMANDS][MAX_CMDNAME_SIZE] = {
     { "/unmod"      },
     { "/unsilence"  },
     { "/whisper"    },
+    { "/whois"      },
 
 #ifdef AUDIO
 
@@ -327,10 +328,23 @@ int group_get_nick_peer_id(uint32_t groupnum, const char *nick, uint32_t *peer_i
     return -1;
 }
 
+static void groupchat_update_last_seen(uint32_t groupnum, uint32_t peer_id)
+{
+    GroupChat *chat = &groupchats[groupnum];
+
+    if (!chat)
+        return;
+
+    int peer_index = get_peer_index(groupnum, peer_id);
+
+    if (peer_index >= 0)
+        chat->peer_list[peer_index].last_active = get_unix_time();
+}
+
 /* Returns the peerlist index of peer_id for groupnum's group chat.
  * Returns -1 on failure.
  */
-static int get_peer_index(uint32_t groupnum, uint32_t peer_id)
+int get_peer_index(uint32_t groupnum, uint32_t peer_id)
 {
     GroupChat *chat = &groupchats[groupnum];
 
@@ -448,6 +462,8 @@ static void groupchat_onGroupMessage(ToxWindow *self, Tox *m, uint32_t groupnum,
     if (self->num != groupnum)
         return;
 
+    groupchat_update_last_seen(groupnum, peer_id);
+
     if (type == TOX_MESSAGE_TYPE_ACTION) {
         group_onAction(self, m, groupnum, peer_id, msg, len);
         return;
@@ -493,6 +509,8 @@ static void groupchat_onGroupPrivateMessage(ToxWindow *self, Tox *m, uint32_t gr
     if (self->num != groupnum)
         return;
 
+    groupchat_update_last_seen(groupnum, peer_id);
+
     ChatContext *ctx = self->chatwin;
 
     char nick[TOX_MAX_NAME_LENGTH];
@@ -520,6 +538,8 @@ static void groupchat_onGroupTopicChange(ToxWindow *self, Tox *m, uint32_t group
     if (self->num != groupnum)
         return;
 
+    groupchat_update_last_seen(groupnum, peer_id);
+
     char timefrmt[TIME_STR_SIZE];
     get_time_str(timefrmt, sizeof(timefrmt));
 
@@ -651,6 +671,8 @@ static void groupchat_onGroupPeerJoin(ToxWindow *self, Tox *m, uint32_t groupnum
         chat->peer_list[i].name_length  = strlen(chat->peer_list[i].name);
         chat->peer_list[i].status = tox_group_peer_get_status(m, groupnum, peer_id, NULL);
         chat->peer_list[i].role = tox_group_peer_get_role(m, groupnum, peer_id, NULL);
+        chat->peer_list[i].last_active = get_unix_time();
+        tox_group_peer_get_public_key(m, groupnum, peer_id, (uint8_t *) chat->peer_list[i].public_key, NULL);
 
         if (i == chat->max_idx)
             ++chat->max_idx;
@@ -833,6 +855,8 @@ static void groupchat_onGroupModeration(ToxWindow *self, Tox *m, uint32_t groupn
     if (tgt_index < 0)
         return;
 
+    groupchat_update_last_seen(groupnum, src_peer_id);
+
     char timefrmt[TIME_STR_SIZE];
     get_time_str(timefrmt, sizeof(timefrmt));
 
@@ -876,6 +900,8 @@ static void groupchat_onGroupNickChange(ToxWindow *self, Tox *m, uint32_t groupn
     if (peer_index < 0)
         return;
 
+    groupchat_update_last_seen(groupnum, peer_id);
+
     char oldnick[TOX_MAX_NAME_LENGTH];
     get_group_nick_truncate(m, oldnick, peer_id, groupnum);
 
@@ -903,6 +929,8 @@ static void groupchat_onGroupStatusChange(ToxWindow *self, Tox *m, uint32_t grou
     if (peer_index < 0)
         return;
 
+    groupchat_update_last_seen(groupnum, peer_id);
+
     GroupChat *chat = &groupchats[groupnum];
     chat->peer_list[peer_index].status = status;
 }
diff --git a/src/groupchat.h b/src/groupchat.h
index 62ac668..d68dd4a 100644
--- a/src/groupchat.h
+++ b/src/groupchat.h
@@ -36,8 +36,10 @@ struct GroupPeer {
     char       name[TOX_MAX_NAME_LENGTH];
     size_t     name_length;
     uint32_t   peer_id;
+    uint8_t    public_key[TOX_GROUP_PEER_PUBLIC_KEY_SIZE];
     TOX_USER_STATUS status;
     TOX_GROUP_ROLE  role;
+    uint64_t   last_active;
 };
 
 typedef struct {
@@ -57,6 +59,7 @@ int init_groupchat_win(Tox *m, uint32_t groupnum, const char *groupname, size_t
 void set_nick_all_groups(Tox *m, const char *nick, size_t length);
 void set_status_all_groups(Tox *m, uint8_t status);
 int group_get_nick_peer_id(uint32_t groupnum, const char *nick, uint32_t *peer_id);
+int get_peer_index(uint32_t groupnum, uint32_t peer_id);
 
 /* destroys and re-creates groupchat window */
 void redraw_groupchat_win(ToxWindow *self);
diff --git a/src/help.c b/src/help.c
index afb4ff5..00f092d 100644
--- a/src/help.c
+++ b/src/help.c
@@ -250,6 +250,7 @@ static void help_draw_group(ToxWindow *self)
     wprintw(win, "  /rejoin                    : Rejoin the group\n");
     wprintw(win, "  /topic <msg>               : Set group topic (show current topic if no msg)\n");
     wprintw(win, "  /whisper <nick> <msg>      : Send private message to nick\n");
+    wprintw(win, "  /whois <nick>              : Display info about nick.\n");
 
     wattron(win, A_BOLD);
     wprintw(win, " Moderator commands:\n");
@@ -324,7 +325,7 @@ void help_onKey(ToxWindow *self, wint_t key)
             break;
 
         case 'r':
-            help_init_window(self, 24, 80);
+            help_init_window(self, 25, 80);
             self->help->type = HELP_GROUP;
             break;
 
diff --git a/src/misc_tools.c b/src/misc_tools.c
index e10671f..c0bb248 100644
--- a/src/misc_tools.c
+++ b/src/misc_tools.c
@@ -80,7 +80,7 @@ struct tm *get_time(void)
     return timeinfo;
 }
 
-/*Puts the current time in buf in the format of [HH:mm:ss] */
+/* Puts the current time in buf in the format of [HH:mm:ss] */
 void get_time_str(char *buf, int bufsize)
 {
     if (user_settings->timestamps == TIMESTAMPS_OFF) {
@@ -110,6 +110,24 @@ void get_elapsed_time_str(char *buf, int bufsize, uint64_t secs)
         snprintf(buf, bufsize, "%ld:%.2ld:%.2ld", hours, minutes, seconds);
 }
 
+/* Converts seconds to string in format H hours, m minutes, s seconds */
+void get_elapsed_time_str_2(char *buf, int bufsize, uint64_t secs)
+{
+    if (!secs)
+        return;
+
+    long int seconds = secs % 60;
+    long int minutes = (secs % 3600) / 60;
+    long int hours = secs / 3600;
+
+    if (!minutes && !hours)
+        snprintf(buf, bufsize, "%ld seconds", seconds);
+    else if (!hours)
+        snprintf(buf, bufsize, "%ld minutes, %ld seconds", minutes, seconds);
+    else
+        snprintf(buf, bufsize, "%ld hours, %ld minutes, %ld seconds", hours, minutes, seconds);
+}
+
 /*
  * Converts a hexidecimal string of length hex_len to binary format and puts the result in output.
  * output_size must be exactly half of hex_len.
diff --git a/src/misc_tools.h b/src/misc_tools.h
index df4e2f3..312dc1b 100644
--- a/src/misc_tools.h
+++ b/src/misc_tools.h
@@ -62,6 +62,9 @@ void get_time_str(char *buf, int bufsize);
 /* Converts seconds to string in format HH:mm:ss; truncates hours and minutes when necessary */
 void get_elapsed_time_str(char *buf, int bufsize, uint64_t secs);
 
+/* Converts seconds to string in format H hours, m minutes, s seconds */
+void get_elapsed_time_str_2(char *buf, int bufsize, uint64_t secs);
+
 /* get the current local time (not thread safe) */
 struct tm *get_time(void);