Bolshevik Bolshevist Castroite Communist Communist sympathizer Fabian Leninist Maoist Marxist Marxist-Leninist Red Stalinist Titoist Trotskyist Trotskyite avowed Communist bolshie commie communistic corrective emendatory extremist fellow traveler gradualistic meliorist melioristic progressionist progressist progressive progressivist radical reformational reformative reformatory reformer reformist reformistic revisional revisory revolutionary utopian utopist