Antonyms of predator :
Examples of usage:
He hadn't been in the Executive Office of Predator Council all these years for nothing; he knew how to handle people- when to praise them, when to flatter them, when to rebuke them, and when to drag them unmercifully over the shell- bed. "The Asses of Balaam", Gordon Randall Garrett.
And a part of that part had been put into the hands of Dodeth Pell as the head of Predator Control. "The Asses of Balaam", Gordon Randall Garrett.