The group admins can mark other participants as group admins in open or closed groups.
Follow the steps below to mark other participants as group admin:
Step 1: Navigate to Home > Groups.
Step 2: Click My Group and select the group.
Step 3: Select the participant you want to mark as a group admin. Click the Overflow Menu Icon and select Mark as Admin.
Step 4: The “Mark as Admin” confirmation pop-up appears, and click CONFIRM.
The “Added” pop-up confirms that the participant has been successfully marked as a group admin.