Other forms: whistleblowers
A whistleblower is an insider who makes wrongdoing public. Protect the whistleblower, a whistleblower came forward, whistleblower protections.
The law protects them in Britain if the disclosure is in the public interest and made properly, and the protection is narrower than most people assume. What almost always follows is the loss of the career, whatever the law says.
1nounwhistleblowerAn insider who makes wrongdoing public.
“A whistleblower told reporters that the company had been hiding safety problems.”
whistleblower is a person.
whistle-blower comes from whistle + blower, referring to a police officer blowing their whistle on observing a violation of the law.
Etymology from Wiktionary, CC BY-SA