
1) Company informer 2) Informant 3) Informer 4) Source 5) Whistle blower 6) Whistle-blower
Found on
https://www.crosswordclues.com/clue/whistleblower

A whistleblower (whistle-blower or whistle blower) is a person who exposes misconduct, alleged dishonest or illegal activity occurring in an organization. The alleged misconduct may be classified in many ways; for example, a violation of a law, rule, regulation and/or a direct threat to public interest, such as fraud, health and safety violations,...
Found on
http://en.wikipedia.org/wiki/Whistleblower
[magazine] Whistleblower, formerly WorldNet, is the monthly news magazine companion of WorldNetDaily. Every month features a different topic or event in the news, with articles from the website (sometimes in edited or expanded form) as well as original articles and commentary. WorldNetDaily managing editor David Kupelian is `the driving for...
Found on
http://en.wikipedia.org/wiki/Whistleblower_(magazine)

A person who reports information which they reasonably believe to be evidence of a criminal offence, an infringement of workplace rules or other matter that should be drawn to the attention of the appropriate, accountable parties.
Found on
http://www.encyclo.co.uk/local/21276

An employee who raises concerns about misconduct or wrongdoing within the company where the person works.
Found on
http://www.nolo.com/dictionary/whistleblower-term.html
No exact match found.