1.
enthusiast; person who loves and pursues a particular interest
A person with a strong fondness for and interest in a particular activity, art form, or subject. More formal than ファン; often implies active participation rather than passive appreciation.
Among train enthusiasts, 'riding the rails' (collecting train rides) is popular.
Related Words
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愛好家 (enthusiast)
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ファン (fan)
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崇拝者 (worshipper)
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熱狂者 (enthusiast)