oligarch

/ˈɑlɪɡɑrk/
noun
  1. A very rich and powerful person who controls a country or industry, often in an unfair way.
    • The news reported that the oligarch had bought several newspapers to control public opinion.
    • Many people protested against the oligarch who owned most of the country's oil companies.
    • The oligarch used his wealth to influence government decisions.
Antonyms
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