急きゅう進しん主しゅ義ぎ者しゃMeaningsNoun1. radical (person)Kanji used急hurry進advance主(one's) master義justice者someoneComposed of急きゅう進しんrapid progress; radical progressNoun主しゅ義ぎ者しゃadvocate (of a theory or principle); ideologist; ideologue; -ist (i.e. adherent to a belief system)Noun