culture warrior
noun [ C ] uk/ˈkʌl.tʃə ˌwɒr.i.ər/ us/ˈkʌl.tʃɚ ˌwɔːr.i.ɚ/
（强烈捍卫某一特定文化或文化群体的）文化斗士
a person who strongly defends a particular culture or cultural group
He established himself as one of the leading culture warriors of the Catholic Right. 他树立了自己天主教右翼文化斗士的形象。