Demon /(?)/

De·mon

Demon

n.
  1. A spirit, or immaterial being, holding a middle place between men and deities in pagan mythology. (Gr. Antiq.)
    The demon kind is of an intermediate nature between the divine and the human.
    — Sydenham.
  2. One's genius; a tutelary spirit or internal voice; as, the demon of Socrates.
  3. An evil spirit; a devil.
    That same demon that hath gulled thee thus.