is a specific kind of: socialist.

is a broader term that covers: apparatchik | Bolshevik, Bolshevist | Comrade | revisionist.

instances of which are: Mao, Mao Tsetung, Mao Zedong | John Reed, Reed | Iosif Vissarionovich Dzhugashvili, Joseph Stalin, Stalin | Chou En-lai, Zhou En-lai.

derivation: communism | communism.