BuddyPress.org

If its my plugin, read instructions. You need to edit template files

Use WordPress a page template and hard code a BuddyPress group loop in the page template. Create a WordPress page in the admin. You do the same thing when you created those pages when you install BuddyPress. […]

This type of thing would have to be theme specific so i dont think you would see a plugin for this.

Anything can be acomplished given the skills. This would require custom code.

Look through the BuddyPress code. The core components extend a class BP_Component. You extend this class to create your own components. In folder bp-groups you can see how the groups component is being created and […]

You can choose the my friends option to at least block all fields to a users friends. You can also look over @boone code to add your own visibility options. https://github.com/boonebgorges/bbg-custom-bp-field-visibility

Its not really a membership plugin. It turns your site into a social network where users can sign up get profiles, groups and discussion forums. There are many plugins that add additonal features.

Go into the wp-admin Users > Profile fields and change the visibility options to profiles fields

look at the record activity function http://pastebin.com/kNqTrRzc

`function my_friends_only_activity( $query ) {

$friends_id = bp_get_friend_ids( bp_loggedin_user_id() ) ;

$query = ‘&user_id=’ . $friends_id ;

return $query;
}
add_filter( […]

You get user id’s with code not manually.

bp_get_friend_ids( bp_loggedin_user_id() ) ;

Not too difficult. You can filter activity stream by passing a comma seperated list of user id’s. just get logged in users friends id’s. read the codex on how to filter loops