Human subjugate. Tessa had read of them in the Codex: Subjugates, or darklings, were mundanes who had sworn themselves to the service of a vampire. For the vampire, they provided companionship and food, and in return received small transfusions of vampire blood at intervals. This blood kept them bound to their vampire master, and also ensured that when they died, they would become vampires as well.
Someone send this to Guillermo in What we do in the shadows
