dissembler
/dɪˈsɛmblər/
noun
- A person who hides their true feelings or intentions; someone who pretends or deceives.
- The spy was a skilled dissembler, able to appear friendly while gathering secrets.
- In the story, the villain is a dissembler who tricks the hero into a trap.
- Don't trust him; he's a dissembler who says one thing but means another.