enthusiast
noun [ C ] uk/ɪnˈθjuː.zi.æst/ us/ɪnˈθuː.zi.æst/
热衷于…的人;热心者;爱好者
a person who is very interested in and involved with a particular subject or activity
a keep-fit enthusiast 热衷健身运动的人
a model-aircraft enthusiast 航模爱好者
Synonyms: fan (PERSON)fancier