1. 共产主义者 A communist is someone who believes in communism.
2. 共产主义的 Communist means relating to communism.
communist的解释
e.g. ...the Communist Party. 共产党
名词共产主义者，共产主义的支持者; 共产党党员; 巴黎公社社员
形容词共产党的; 共产主义者的
communist
