主しゅ導どう者しゃ

noun

leader; prime mover; originator

Refers to a person who takes the lead in an initiative, movement, or project; emphasizes active guidance and driving force rather than just a figurehead.

• 彼かれはその改かい革かく運うん動どうの主しゅ導どう者しゃだった。

  He was the prime mover behind the reform movement.

• プロジェクトの主しゅ導どう者しゃとして、彼かの女じょはチームをまとめた。

  As the project leader, she brought the team together.