judases

/JH UW1 D AH0 S IH0 Z/
noun
  1. 1

    A traitor; a person not to be trusted.

  2. 2

    A small hole in a door through which a person can spy without being seen from the other side, used especially in prisons; a Judas-hole.

Source: https://en.wiktionary.org/wiki/Judas, https://en.wiktionary.org/wiki/judas, https://en.wiktionary.org/wiki/judases