A person who basically judges other people on the basis of their race. This is not limited to negative judgements alone. Attaching positive characteristics to a person because of racial considerations is still being a racist.
Everyone is racist. Even indigenous peoples and cultural minorities can be racists at times. Racism is not endemic to the first world countries. The third world is replete with racism as well.
In the Philippines, "to salvage" someone means "to kill" that person, which is the exact opposite of the usual meaning of "salvage", which is "to save".
He's a hopeless thief! Better to salvage him than send him to jail.