white supremacist

Short definition from Wiktionary

Adjective

1. 1
   Characterized by white supremacy.
2. 2
   Alternative letter-case form of white supremacist

Noun

1. 1
   An advocate of white supremacy, a person who believes that the white race is inherently superior to other races and that white people should have control over people of other races.
2. 2
   Alternative form of white supremacist.
3. 3
   Alternative letter-case form of white supremacist