"Create Friendship between Group Organizers and Members when the new Member joins the Group Organizer's group. Let this be an option that the Group Organizer can choose on a per group basis. When a Member leaves the group: Notify the Group Organizer and allow the Group Organizer to determine if they want to continue the friendship with the Member. Notify the Member who left the group that they have a friendship with the Group Organizer. Let them determine whether they want to remain friends. * If either the Group Organizer or the ex-Member say they no longer want to continue the friendship