ghouls

/G UW1 L Z/
noun
  1. 1

    (Muslim demonology) A demon said to feed on corpses.

  2. 2

    A graverobber.

  3. 3

    A person with an undue interest in death and corpses, or more generally in things that are revolting and repulsive.

Source: https://en.wiktionary.org/wiki/ghoul, https://en.wiktionary.org/wiki/ghouls