/wɪslbloʊr/ – noun
Definition: Người tố giác
A more thorough explanation: a worker who reports some form of wrongdoing in the workplace to an authority or other organisation. In many jurisdictions, whistle-blowers are protected by law and cannot be victimized by their employer.
Example: A police whistleblower who raised concerns about the recording of crime statistics in the Metropolitan Police has resigned from the force.