BuddyPress - AVATAR FUNCTION

I have had this request from a client.
Does anyone know if this kind of thing would be possible within the BuddyPress framework?
I'm open to ideas on how this could be approached. Thanks for your time. Regards, Ashley

Client Request:
I need to add in an 'expert' icon - to signify to our younger users or 'novice' gardening users that a member has a special knowledge in something gardening related. I was thinking we could represent this via a 'mortar board' symbol i.e. graduation hat. If possible can we include a box separate from their profile which lists their areas of expertise???

Current URL: http://social.growupgardening.com/