Oligarchy

noun a system of government marked by centralization of authority under a dictator, stringent socioeconomic controls, suppression of the opposition through terror and censorship, and typically a policy of belligerent nationalism and racism

• The rise of fascism in Europe during the early 20th century had devastating consequences.
• Some people mistakenly believe that fascism is just another form of authoritarianism.
• I can't stand those fascist policies, they're so oppressive.
• The strict rules at the office felt like a form of corporate fascism.

noun a select group that holds a dominant position of power and influence in a society

• The power elite in society consists of influential individuals who hold significant control over political and economic decisions.
• The power elite always seem to get their way no matter what.
• Those power elite folks think they're better than everyone else.
• The power elite are like the puppet masters pulling the strings behind the scenes.