立たて役やく

noun

leading actor; protagonist

Refers to the main role or central figure in a play, film, or by extension any undertaking.

• 彼かれはその舞ぶ台たいで立たて役やくを演えんじた。

  He played the leading role in that stage production.

• このプロジェクトの立たて役やくは彼かの女じょだ。

  She is the central figure of this project.