czars

noun
  1. 1

    An appointed official tasked to regulate or oversee a specific area.

    โ€œdrug czarโ€

noun
  1. 1

    An emperor of Russia (1547 to 1917) and of some South Slavic states.

  2. 2

    A person with great power; an autocrat.

Source: https://en.wiktionary.org/wiki/czar, https://en.wiktionary.org/wiki/czars, https://en.wiktionary.org/wiki/tsar