This word is not acceptable for play in the US & UK dictionaries that are being used in the following games:

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n. One who reveals wrongdoing within an organization to the public or to those in positions of authority: "The Pentagon's most famous whistleblower is . . . hoping to get another chance to search for government waste” ( Washington Post).

n. Alternative form of whistle-blower.

n. an informant who exposes wrongdoing within an organization in the hope of stopping it

"Army intelligence analyst was charged with providing a classified video to WikiLeaks, an anti-war organization that runs what it describes as a whistleblower Web site."

source    informant   

toolkitmaker    whiner    conman    anti-discrimination    douchebag