Definition of "whistle-blower" []

• One who reports a problem or violation to the authorities; especially, an employee or former employee who reports a violation by an employer. (noun)

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• "The Government Accountability Project, a Washington-based nonprofit organization dedicated to whistle-blower protection, had filed complaints of retaliation on behalf of the two staff members with the Ethics Office."
• "While not mentioned by name, Obama referenced Wendell Potter, a former health insurance insider whistle-blower who sums it up simply, health insurance is not about better health care, it's about Wall Street."
• "Mr. Picard maintained in court and led the media to believe that Mr. Stamos was a whistle-blower."