That hath, &c. — One that converseth with the devil, or dead men's ghosts, and by them can discover future things. See Isaiah 8:19.
Related Commentaries of 1 Samuel 28:7
1 Samuel 28:7
7 Then said Saul unto his servants, Seek me a woman that hath a familiar spirit, that I may go to her, and enquire of her. And his servants said to him, Behold, there is a woman that hath a familiar spirit at Endor.