antifascist

/ˌæn(t)iˈfæʃəst/
/ˌænˌtaɪˈfæʃəst/

adjective

Opposed to fascism or to extreme right-wing authoritarianism.

thousands of antifascist protesters blocked a neo-Nazi march in the German city

noun

A person who is opposed to fascism or to extreme right-wing authoritarianism.

more than 150 antifascists confronted about 25 white supremacists in front of the state capitol