ogre

noun2

1. •
   A large, grotesque, brutish humanoid monster, typically marked by great strength and a propensity to kill or devour humans.

   • And the conquest of the ogres comes at the right moment: not in earliest youth, though the nicors are referred in Beowulf's geogoðfeore as a presage of the kind of hero we have to deal with[.] — 1936
2. •
   (figurative) A cruel person.

   • People are going to think I'm an ogre if I refuse to buy coffee for my little brother!