antiperson

Somebody who is not a person, or not accepted as a person, or who violates the conventions of personhood.

The Economic Man of White Collar led Mills to formulate a parallel cultural variant: “the cheerful robot.” To such an anti-person, history was little more than a blind drift of incomprehensible forces, which, he mechanically reasoned, obeyed the classic law of Fate (“Whatever is, must therefore be”).

I'm not even a whole person anymore. Maybe not even a half person. I'm a negative person, an anti-person. I'm the opposite of everything human.

A hypothetical person made out of antimatter.

There could be whole antiworlds and antipeople made out of antiparticles. However, if you meet your antiself, don't shake hands!

If a person shook hands with an antiperson, both would be annihilated in a shower of gamma ray greetings.