muckraker

/ˈmʌkˌreɪkər/
noun
  1. A journalist or writer who exposes corruption, scandal, or wrongdoing, especially in politics or business.
    • Many people admired the muckraker for revealing the truth about the company's illegal practices.
    • The muckraker published a series of articles about government corruption.
    • In the early 1900s, muckrakers helped pass laws to improve food safety.
Synonyms
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