Privacy controls are critical to any successful social network. Right now there are roughly zero plugin options for adding privacy to BuddyPress 1.5+. Some basic privacy controls are in discussion for future versions of BuddyPress, but there aren’t any usable options yet. Here’s a trick that may tide you over in the meantime.
Restrict User Profiles Based on Friendship
This is a hack that I drudged up from the BuddyPress forums, a solution originally proposed by our very own Richie_KS. It basically checks to see if users are friends before displaying a profile. Here’s how to use it:

