whistle blower

Từ điển WordNet v3.1 - WordNet Dictionary

noun

an informant who exposes wrongdoing within an organization in the hope of stopping it
- the law gives little protection to whistleblowers who feel the public has a right to know what is going on
- the whistleblower was fired for exposing the conditions in mental hospitals
• Syn:
whistle-blower, whistleblower
• Hypernyms:
informant, source