しゅぼうしゃ 首謀者 LinksSentence search for 首謀者Sentence search for しゅぼうしゃSentence search for 主謀者Kanji details for 首, 謀 and 者Edit in JMdict Noun1. ringleader; mastermind; leader (of a plot)Other forms主謀者 【しゅぼうしゃ】 Discussions Log in to talk about this word.