/rɪˈleɪtər/ – Noun
Definition: người tố cáo, người cáo giác.
A more thorough explanation: In legal terms, a relator refers to an individual who brings a lawsuit on behalf of the government or a private party in cases involving fraud or other misconduct. The relator, also known as a whistleblower, typically has inside information about the wrongdoing and files a lawsuit under the False Claims Act or similar statutes to help recover funds on behalf of the government or seek other remedies.
Example: The relator filed a lawsuit on behalf of the government against the company for defrauding Medicare.