Gal 5:20 Idolatry, witchcraft, hatred, variance, emulations, wrath, strife, seditions, heresies,
From G5332; medication (“pharmacy”), that is, (by extension) magic (literal or figurative): - sorcery, witchcraft.
Exo 22:18 Thou shalt not suffer a witch to live.
Deu 18:10 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,
1Sa 28:7 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.
Act 16:16 And it came to pass, as we went to prayer, a certain damsel possessed with a spirit of divination met us, which brought her masters much gain by soothsaying:
Yes the Bible would have you believe that there are people assocated with wicked spirits who might be classified as witches or warlocks. Its very rare. There are those who are commonly called witches in First Samuel and Acts. I did leave off Balem and Simon both warlocks. No witchcraft in Gal 5:20 refers mostly to drug abuse as it is the word from which we get pharmacy its secondary meaning is magical witchcraft.