负责人 (fù zé rén): ผู้รับผิดชอบ; ผู้รับผิดชอบ; ผู้รับผิดชอบ; หัวหน้า; ผู้จัดการ

He is the person in charge of this project.

Please find the person in charge.

The person in charge is not here; please wait a moment.

She is the head of our department.

If there is a problem, you should find the person responsible.