Ultimate Member Followers

With the followers extension you can increase user interaction on your site by allowing users to follow each other.
Ultimate Member Followers Features:

Adds a follow/unfollow button to user profiles
With Ultimate Member Followers, displays followers/following stats on their profile
Adds a follow/unfollow button to profile cards on member directories
Shows follower/following stats on profile card on member directories
Allow users to restrict their profile to their followers only
Allow users to restrict their profile profile to only people they follow
With Ultimate Member Followers, users receive an email notification when someone follows them
Users can turn off receiving email notifications from their account page
Show a user’s followers and/or who they are following in siderbar with widgets
Decide whether a user role can follow other users
Restrict which roles a user role can follow
and more…