One who inquires of the dead.

There shall not be found among you any one that maketh his son or his daughter to pass through the fire, or that useth divination, or an observer of times, or an enchanter, or a witch, or a charmer, or a consulter with familiar spirits, or a wizard, or a NECROMANCER. ( Deuteronomy 18:10-11 )

Dictionary of Words from the King James Bible. Public Domain. Copy freely.