You get the idea. And there’s a ton of these kinds of contrasts. Off the top of my head:
Kind vs Cruel
Truth Teller vs Liar
Honest vs Dishonest
Respectful vs Rude
Doer vs Talker
Competent vs Incompetent
Loving vs Hateful
Generous vs Selfish
For the People vs For himself
President vs Dictator
Add your own in the comments.