巨きょ魁かい

noun

ringleader; chief

Refers to the leader of a criminal group or a rebellion. Literary and somewhat old-fashioned; in modern contexts, 首謀者 or リーダー are more common.

• 警けい察さつはついにその組そ織しきの巨きょ魁かいを逮たい捕ほした。

  The police finally arrested the ringleader of the organization.