noun
enthusiast
in-THOO-zee-ast/ɪnˈθuːziæst/
A person strongly interested in or excited about something.
The model-railway enthusiast eagerly examines a locomotive beside his carefully built miniature tracks.

Etymology
Greek enthousiastes named a divinely inspired person. English initially used the word disparagingly for someone claiming special revelation, then broadened it to a person whose intense interest need not be religious.
In context
if you ask your average comic enthusiast like, who's your favorite artist? They're like they've got a list of five, 10 that they're going like, I'm super passionate about it.
More examples
- Car enthusiasts gather downtown to compare their vintage vehicles.
- You don't have to be a fitness enthusiast to enjoy this walk.
- The museum offers weekend workshops for photography enthusiasts.
Forms
enthusiast · enthusiasts
enthusiasm noun — Strong interest in or excitement about something.
enthusiastic adjective — Showing strong interest, excitement, or eager approval.