キープレイヤー

noun

key player

Refers to a person who plays a crucial role in a team, project, or organization. Often used in business, sports, and entertainment contexts.

• 彼かれはこのプロジェクトのキープレイヤーだ。

  He is a key player in this project.

• チームのキープレイヤーが怪け我がで離り脱だつした。

  The team's key player was sidelined due to injury.