From his acts of hunting, it can be inferred that he is a wicked man.

Answer: Option C

Wicked : evil or morally wrong.
Innocent : not guilty of a crime or offence.
Decent : conforming with generally accepted standards of respectable or moral behaviour.
Pious : devoutly religious.
Peaceful : free from disturbance; tranquil.

Antonym of Wicked is Pious