Poacher (noun)

1. A person who illegally takes or catches wild animals or fish.
2. A person who enters someone else's property to hunt or fish without permission.
3. Someone who hunts or fishes in violation of laws or regulations.

Origin:

From old french pochier, from pocher, 'to poke, stab'.

Examples:

1. The poacher was caught with several illegal deer in his truck.
2. The park rangers were on the lookout for poachers who were illegally fishing in the lake.
3. The poacher was arrested for killing protected animals in the wildlife reserve.
4. The poacher was fined for violating hunting and fishing laws.
5. The poacher was sentenced to community service for illegally hunting on private property.