cunning and wickedness, cunning and wicked person

evil design, crafty plan, plot

cunning man, crook

wickedness, wicked person

shrewd (dirty) trick, sinister scheme (design), sly art

cunning, craft, wiles

cunning, craft, wiles

cunning, sly

villain

disloyal retainer, treacherous subject

iniquity, wickedness, dishonesty

wicked person, evil thing

wicked design, vicious plan, plot

evil thief, wicked robber

treacherous, wicked, perverse

Chinese traitor (esp. a collaborator with the Japanese)

killing a villain (with a sword, dagger, etc.)

wiles and cunning, craftiness and treachery

wiles and cunning, craftiness and treachery

someone who curries favor with their master while secretly plotting against him

letter explaining the reasons for cutting down an alleged villain, assassin's written vindication of his killing