Enable Facebook follower option |Who can follow me on Facebook?

 When you become friends with someone on Facebook, they automatically start following you. You can also allow people who aren't your friends to follow you by selecting Public next to your post settings

1. 1. Click  in the top right of Facebook.
2. 2. Select Settings & Privacy, then click Settings.
3. 4. Click Public Posts on the left.
4. 5. Select Friends or Public next to Who Can Follow Me.