afd
n. countable C2 Proficiency afd
n. a person who is very interested in a specific hobby or activity. It is a short way of saying 'aficionado'.
n. a person who has a strong interest or expertise in a particular subject or activity. A clipped form of 'aficionado'.
He is a real afd for vintage cars.
The local library became a hub for every jazz afd in the city, hosting weekly listening sessions.
While the general public might find the technical details overwhelming, any serious afd of the genre recognizes the subtle shifts in the composer's style over the decades.