/ɪnˈθuːziæst/
en·thu·si·ast
BrE /ɪnˈθjuːziæst/
NAmE /ɪnˈθuːziæst/
~ (for/of sth)
a person who is very interested in sth and spends a lot of time doing it
a football enthusiast
an enthusiast of jazz
~ (for/of sth)
a person who approves of sth and shows enthusiasm for it
enthusiasts for a united Europe