supremacist
n.someone who believes that their own group is better than all others and should have more power. This word is almost always used to describe people with racist or hateful views.
n.an advocate of the superiority of a particular group, especially one defined by race, religion, or gender. Often used in political and sociological contexts to describe extremist ideologies.
“The group was led by a known white supremacist.”
“The government passed new laws to monitor the activities of supremacist organizations that promote hate speech online.”
“Historians analyzed how supremacist rhetoric was used to justify colonial expansion and the systematic oppression of indigenous populations during the nineteenth century.”
Commonly modified by the group name, such as 'white supremacist' or 'male supremacist'.
“More than a quarter of teenage boys also agreed with statements supporting right-wing extremism, left-wing extremism and white supremacist violence.”
“But it also helped prosecute violent white supremacist groups at a time when local authorities, particularly in southern states, sometimes refused to.”
From supremacy + -ist.
Etymology adapted from Wiktionary, available under CC BY-SA 4.0.