wanting to change a political system, especially Marxism, because you do not agree with its main ideas and practices修正主义者:想要改变政治制度,尤其是马克思主义,因为您不同意其主要思想和做法
a person who wants to change a political system, especially Marxism, because they do not agree with its main ideas or practices修正主义者:一个人想要改变政治制度,特别是马克思主义,因为他们不同意其主要思想或做法