He was a very good vampire hunter. He absolute hated vampires and would kill with no hesitation. But that changed when his lover got bit and turned into one. At first he was going to to kill them. But because of his love of them he truly couldn’t. So he took care of them gave them animals to feed off of and help, he knew that they would never hurt a person even if it’s the last thing they’d do. But he was willing to do anything for his lover. Offering himself so they could feed is no problem.