According to Wikipedia, a whistleblower is a person who exposes any kind of information or activity that is deemed illegal, unethical, or not correct within an organization that is either private or public.

Whistleblowing is particularly important in the fight against corruption. Acts of corruption often go unchallenged when people with relevant information do not speak about it. Accounts of witnesses offer invaluable insights into corruption, and are powerful tools in the fight against it.

However in most countries, whistleblowing carries high personal risk because there is little or no legal protection against dismissal, humiliation or even physical abuse. Several controls on information, libel and defamation laws can deter people from speaking out when they have information.

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