【上位】 a person who backs a politician or a team etc.; "all their supporters came out for the game"; "they are friends of the library" 政治家やチームなどを支援する人。
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【下位】 a person motivated by irrational enthusiasm (as for a cause); "A fanatic is one who can't change his mind and won't change the subject"--Winston Churchill 正気でないほどの熱狂につき動かされる人（大義のためなど）。
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【下位】 someone who is so ardently devoted to something that it resembles an addiction; "a golf addict"; "a car nut"; "a bodybuilding freak"; "a news junkie" 中毒症状に見えるほど熱烈に傾倒する人。
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