Projection. They'll accuse others of cheating, being argumentative, uncooperative, lying, vengeful, jealous, vindictive, etc. Listen closely. They are projecting. Which is telling you what they are actually doing. Seems absurd until you've lived it.
Who does this sound like?: Controlling BULLY Threatens and intimidates RAGES THROWS TANTRUMS Never accountable Hypocrit PROJECTS Arrogant Condescending Demands, commands, orders DOES NOT LISTEN KNOW IT ALL Charming, externally Entitled