keepsnake
a keepsnake refers to a person who is of low intellectual, moral, and social standards, and is willing to go to any length to become recognized, acknowledged, or validated.
Usually very loyal to the person giving the orders, and can be venomous, injurious, and evil to their intended target.
Michael Cohen was a keepsnake for Donald Trump
Hey man, what about that guy who stole your car?

Well I guess I'm just going to have to send my keepsnake, Larry Low-crawl over to rattle his cage a little!