急きゅう進しん主しゅ義ぎ者しゃきゅうしんしゅぎしゃMeanings1nounradical; extremistRefers to a person who advocates for drastic political or social change, often associated with revolutionary or extreme reform movements.彼かれは急きゅう進しん主しゅ義ぎ者しゃとして知しられ、政