In this world set in an alternate Ancient Greece, science is combined with magic given from the gods.
People who study healing arts usually worship Asclepius. There also is a cult that studies the secrets of death under the governance of Thanatos (they have access to curses that drag the target closer to the Underworld and animate the dead).
However, a few of these cultists also study healing, in hope of healing even the dead from beyond the grave (the undead normally cannot be healed), and even bringing false life to inanimate objects by binding unfortunate souls from the Underworld. Even some healers joined this cult to become
<insert title here>.
What would the Greek call this wizard? Necromancer is for those under Thanatos, the apostles of death. This wizard can do much more than a necromancer can do. I'm thinking of Vitamancer, but I'm not sure if it has the correct usage of Greek, and it feels weird.