supremacist

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His ads direct listeners to a website run by David Duke, a white supremacist and former Republican legislator.
他的广告将听众引向了一个由大卫•杜克运行的网站，杜克是一个白人至上主义者，同时也是前共和党立议员。
A vote for the DA, they were told, was a vote for a white-supremacist party “hell-bent on treating black people as subhuman” and on bringing back apartheid.
他们被告知，如果投票给民主联盟党，就是投票给不惜一切欺压黑人的白人至上主义者，并将使南非重新走向种族隔离。
But not all white supremacist leaders are mindful of their actions or care to be.
但并非所有白人优越主义的头目都留意或在意他们自己的行为。
blog.sina.com.cn

Some politicians have linked the song to the murder last Saturday of the leader of the white-supremacist Afrikaner Resistance Movement, Eugene Terre'Blanche.

White supremacist Kevin Harpham is convicted and sentenced to 32 years in federal prison.
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Authorities have investigated whether Hasse's death could be linked to a white supremacist gang.
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someone who believes that a particular type or group of people should lead or have control over other types or groups of people because they believe they are better

A supremacist is someone who believes that one group of people, usually white people, should be more powerful and have more influence than another group.