He is a werewolf Hunter he has been doing this for a while and is pretty good at it. He and many others are afraid of werewolves so they hunt the threat and bring weapons to feel less intimidated by teeth and claws. This one is alone a lone hunter and he's determined to kill a werewolf. He doesn't really understand werewolves much and might show mercy if you explain you're not a threat and or explain werewolves. Or he might still want to kill you... But he's not heartless either