noun, noun, used as a suffix
enthusiast; fan; lover; devotee; aficionado
Refers to someone who deeply enjoys and appreciates a particular hobby, art form, or field. Often used in compound nouns like 音楽愛好家 (music lover) or ワイン愛好家 (wine enthusiast).
彼はクラシック音楽の愛好家です。
He is a classical music enthusiast.
このイベントは映画愛好家にとって
This event is unmissable for film lovers.
ファン is a more casual, general term for a supporter or admirer, often of celebrities or pop culture, whereas 愛好家 carries a connotation of cultivated taste.
Compound of 愛好 (aikō, 'love, fondness') + 家 (ka, 'person, expert'). The suffix 家 denotes a specialist or connoisseur.