/əˈpruːvə/ – Noun
Definition: kẻ nhận tội và đổ vấy cho người khác hòng giảm nhẹ phần trách nhiệm của mình, kẻ phạm tội khai ra đồng bọn.
A more throughout explanation: An approver is a person who confesses to a crime and agrees to testify against others involved in the same criminal activity in exchange for leniency or immunity from prosecution.
Example: The approver reviewed and signed off on the contract before it was finalized.