Block List On Facebook
Click Facebook's "Account Menu" drop-down menu, which is the downward-facing arrow beside Home, and pick "Privacy Settings"
Click the "Manage Blocking" link to open your Facebook blacklist. This Page notes everything you've blocked on Facebook, including Users, apps and occasion, or application welcomes from certain individuals.
Each section lists the obstructed individuals or applications. Click "Unblock" next to any kind of entrance to eliminate the block for that person or application. Facebook updates the settings automatically, so click "Facebook" or "Back to Privacy" when you're done to exit the Manage Blocking display.
From your Bussiness' Facebook Page Admin Panel, pick the "Edit Page" drop-down checklist as well as choose "See Banned Users" for a checklist of Users you have actually Banned from your Page.