| fiend(noun, activity, person, concern, interest) |
| nut(noun, activity, person, part, character) |
| addict(noun, person, informal, nut, supporter) |
| enthusiast(noun, person, concern, interest, authority) |
| buff(noun, person, concern, informal, authority) |
| maniac(noun, person, concern, crazy, nut) |
| zealot(noun, person, concern, crazy, advocate) |
| aficionado(noun, activity, person, authority, expert) |
| devotee(noun, person, concern, authority, advocate) |
| fanatic(noun, person, concern, interest, crazy) |
| bug(noun, person, concern, informal, nut) |
| eccentric(noun, adjective, person, character, figure) |
| junkie(noun, activity, supporter, attendant) |
| follower(noun, person, informal, advocate, supporter) |
| lover(noun, nut, bug, supporter) |
| hound(noun, supporter, follower, fanatic) |
| supporter(noun, advocate, bug, attendant) |
| adherent(noun, advocate, supporter, attendant) |
| connoisseur(noun, informal, authority, expert) |
| groupie(noun, supporter, attendant, follower) |