Facebook Group Admin
Action 1. Sign in to the Facebook account on which you are an administrator for the group concerned.
Action 2. Navigate to the Facebook group and afterwards click the "See All" link in the Participants area on the appropriate side of the page. This presents a checklist of all the current group members.
Action 3. Click "Remove Admin" next to the name of any kind of group admin whom you wish to Remove. Click "Okay" in the tiny home window that open up to validate that you desire to eliminate he or she as an admin.
Tip 4. Click "Make Admin" close to the name of any group member whom you want to make right into an admin for the group. Click "Make Admin" in the little window that open up to confirm this decision.