Top matchしゅぼうしゃ首謀者shuboushaNounringleader; mastermind; leader (of a plot)彼らは彼をその殺人事件の首謀者だと考えた。They regarded him as the ringleader of the murder case.Also written 主謀者【しゅぼうしゃ】shubousha Listen Pitch on OJAD Explore