Only the group owner can appoint moderators.
Since appointing moderators can reduce the load of managing the group, try appointing moderators!
You can remove moderators any time through the settings.
Appoint as a moderator
■Steps (For iOS and Android)
1. Tap Group info at the top right of the group screen
2. Tap Add moderator
3. Select the moderator and tap Done
Remove as a moderator
■Steps (For iOS and Android)
1. Tap Group info at the top right of the group screen
2. Tap the moderator and tap [Remove from moderator]