The term 'whistle blower, for short' is often abbreviated as 'REF'. A whistle blower is someone who reports illegal or unethical activities within an organization. This person is usually a current or former employee of the organization and has knowledge of the wrongdoing. They are often protected by law from any form of retaliation for their actions. Whistle blowers play an important role in keeping organizations accountable and ensuring that justice is served.