Bigmouth vs. Whistleblower — What's the Difference?

(Slang) A loudmouthed or gossipy person.

A whistleblower (also written as whistle-blower or whistle blower) is a person, often an employee, who reveals information about activity within a private or public organization that is deemed illegal, immoral, illicit, unsafe or fraudulent. Whistleblowers can use a variety of internal or external channels to communicate information or allegations.

Any of various fishes having unusually large mouths.

One who reveals wrongdoing within an organization to the public or to those in positions of authority

One who talks too much or says things which should not be said.

Alternative form of whistle-blower

(zoology) Applied to various creatures that have a large mouth.

An informant who exposes wrongdoing within an organization in the hope of stopping it;