someone who believes that White people are better, more intelligent, more moral, etc. than people of other races and should have more power, authority, and rights than people of other races, and who does or says unfair or harmful things as a result

Both crimes were carried out by white supremacists. 这两起罪行都是由白人至上主义者实施的。

The college microbiology student was believed to be a white supremacist. 这名大学微生物学学生被认为是一名白人至上主义者。