Write an article based on this "Go to the editing page. Go to the Admin section. Tap "Add an Admin. Enter the name of the friend you wish to be an administrator. Tap "Add" to confirm."
Tap on the "Menu" button on the upper left corner and select "Edit Page" from the list of options. On the "Edit Page" screen, tap on "Set Admin Roles." You'll be taken to the "Admin" section where all the administrators of that page are displayed. " This option will be accompanied by an icon of a person with a plus sign next to it. A summary of your friend's profile will be shown. You'll be taken back to the Admin section, and you can now see that your friend is listed as one of the page admins.