Knave

knave

• rogue

  • rascal

  • blackguard

  • shyster

  • mischief-maker

  • renegade

  • truant

  • recreant

  • sycophant

• traitor

  • betrayer

  • conspirator

  • Judas

• sneak

  • serpent

  • snake in the grass

  • wolf in sheep's clothing

• tell-tale

  • squealer

• fence-sitter