whistle-blower
whist·leb·lo·wer
noun
1.
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”
2.
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”
Origin
From whistle + blower, referring to a police officer blowing their whistle on observing a violation of the law.
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Broader terms
WordNet 2.1 (Princeton University). Wiktionary (CC BY-SA). WordNet 2.1 Copyright Princeton University. All rights reserved. Wiktionary content is available under the Creative Commons Attribution-ShareAlike Licence.