Meanings of denigrate people in English

People darkened their skin with shoe polish, greasepaint or paint, enlarged their lips and exaggerated other features to denigrate people of African descent.

There's enough to think about and admire in the game without resorting to denigrating people.

Trump and his staff regularly do not wear masks, and Trump has denigrated people who wear them often.

There are lots of different ways to achieve our goals … But you don't do that by denigrating people, demeaning people.