racist

noun

1. belief in or doctrine asserting racial differences in character, intelligence, etc. and the superiority of one race over another or others: racist doctrine also, typically, seeks to maintain the supposed purity of a race or the races
2. any program or practice of racial discrimination, segregation, etc., specif., such a program or practice that upholds the political or economic domination of one race over another or others
3. feelings or actions of hatred and bigotry toward a person or persons because of their race