predator-n; 2 Senses

Sense Number 1: an animal that hunts, a meat-eater

Commentary: PREDATOR[+animal][+hunter][+wolf/+barracuda/+tiger]

The barracuda is a predator of small to mid-sized fish.
This forest has a balance of predators and prey.
The predators winnow out the weakest members of the herd.
These are the remains of a bird which was probably eaten by a predator.

WordNet 3.0 Sense Numbers: 2

Sense Number 2: an aggressive person or organization who attacks or exploits

Commentary: PREDATOR[+role][+attacker][+individual/+organization]

They published a list of convicted sexual predators on the Internet.
The wealthy young widow felt surrounded by predators in the guise of suitors.
These soldiers are trained to be formidable predators in combat.
Such loan companies behave as predators on the elderly and uninformed.

WordNet 3.0 Sense Numbers: 1