The Beast

There is a fox,
He is cunning,
He is clever,
He is a beast.

There is a wolf,
He is a leader,
He is a fighter,
He is a beast.

There is a lion.
He is a king,
He is a hunter,
He is a beast.

There is a shark,
He is a predator,
He is a killer,
He is a beast.

There is a deer,
He is prey,
His life is short,
He is a beast.

There is a man,
He is cunning,
He is clever,
He is a leader,
He is a fighter,
He is a king,
He is a hunter,
He is a predator,
He is a killer.
He is prey.
His life is short.

What is a beast?