1. A person that chooses to hunt for no other reason but to kill. 2. Someone that claims to be religious but kills without remorse. 3. A so-called "Outdoors Men" that doesn't find pleasure in just enjoying being outdoors; but rather kills animals for sport. 4. A murderer that kills humans for pleasure. 5. A Psychopath.
Needless Killers are just too common where I live. I once saw a man shoot a deer and then left it to rot in the street. He didn't eat it or anything. I found it odd that he had a "What would Jesus do?" bumper sticker on his truck.