disparager

It appears that Trump is an "equal opportunity disparager," doesn't care about anyone else and is probably disdainful of his base for their being such easy marks for whatever he wants to do.

But, hey, you Delicious disparagers out there, don’t be too smug.

The disparagers presume the allocation is inherently unjust unless it ameliorates racial disparities.

Some of the word's biggest critics have been, at least historically, the disparagers of capitalism: socialists.

A fixture of Fox’s primetime lineup, Carlson has been a gleeful scourge of liberals, a tireless disparager of social programs and a fierce critic of immigration.