Poacher

noun

1. A person who trespasses in order to take game illegally, one who poaches; a person who illegally takes animals or plants from the wild.
2. A vessel with shallow cuplike compartments in which eggs are cooked over boiling water
3. An attacker with good movement inside the penalty box, see Wikipedia:Goal poacher.
4. Any of type of elongated fish in the family Agonidae, also known as alligatorfish, starsnout, hooknose and rockhead.
5. The American wigeon.