A member of a formally constituted Communist Party.
A proponent of the kind of communism formally espoused by such a party, typically either Marxism, or more commonly, Leninism or Maoism.
Any citizen of a country controlled by such a party, particularly Red Chinese and (historical) Soviets.
Of or relating to a formally constituted Communist Party.
a member of a political party supporting labor
a supporter of a labor movement