You can limit what a group leader or member can do by following these steps:
1. Go to Groups > Administration > Group Types
2. Click correct group type name
3. Under Actions, click Edit Admin rights
4. Select/Unselect the checkbox beside correct rights
5. Click Save changes
2. Click correct group type name
3. Under Actions, click Edit Admin rights
4. Select/Unselect the checkbox beside correct rights
5. Click Save changes
Note: You'll need the Group Type Admin security rights to perform this action.
Updated