White people, particularly white women. I'm fairly sure you knew this? Here's the definition of the pejorative "Karen" [1]:
Karen is a pejorative term for a white woman perceived as entitled or demanding beyond the scope of what is normal. The term is a meme depicting white women who use their privilege to demand their own way.
Karen is a pejorative term for a white woman perceived as entitled or demanding beyond the scope of what is normal. The term is a meme depicting white women who use their privilege to demand their own way.
[1] https://en.wikipedia.org/wiki/Karen_(slang)