noun

a person who advocates or practises socialism. "she was a lifelong socialist" синонимы: left-wing, liberal, progressive, progressivist, Marxist, communist, communistic, leftist, ultra-left, anti-capitalist, radical, revolutionary, militant, Labour, Labourite, labourist, Fabian, syndicalist, Marxist–Leninist, Leninist, Trotskyite, Trotskyist, Maoist, lefty, red, pink, commie, Bolshevik, Bolshie, left-winger, pinko

adjective

adhering to or based on the principles of socialism. "the history of socialist movement"