noun
Refers to a person who is the central figure or driving force in a group, organization, or movement. Often used in political or organizational contexts.
彼はその改革運動の首脳者として知られている。
He is known as the leader of the reform movement.
首脳者たちが会議に集まった。
The leaders gathered for the meeting.
Compound of 首 (head) + 脳 (brain) + 者 (person), literally 'head-brain person', emphasizing a central intellectual leader.