a sexual 'predator' [=a person who commits sexual crimes against other people]
The population of rabbits is controlled by natural 'predators'.
a corporate 'predator' acquiring business rivals
(..) in using gullies and hiding behind rocks. And these Wargs are kind of tearing across the landscape looking for them. Fran actually called them on this, and goes, "They're dogs, predators. They'll just smell them and find them." So they introduced Radagast. So he's actually trying to lead them away. (..)2012 The Hobbit: An Unexpected Journey