BuddyPress.org

I guess the “Group-settings” (public, private, hidden) would give an additional level of Privacy-Options for “Friends” if we go with the idea of Andy and JJJ.

So I can set a certain “Group of Friends” to be hidden from all my other friends.

That would be a very needed feature !

For example you are running a website for a niche-company-directory:

so the user will have friends at his suppliers and at his customers. But I am sure he does not want his customers to know who his suppliers are and vice-versa. This would be also the case at other niche-websites, like dating-websites, etc.