17 Heb “a binder of binding” (חֹבֵר חָבֶר, khover khaver). The connotation is that of immobilizing (“binding”) someone or something by the use of magical words (cf. Ps 58:6; Isa 47:9, 12).
18 Heb “asker of a [dead] spirit” (שֹׁאֵל אוֹב, sho’el ’ov). This is a form of necromancy (cf. Lev 19:31; 20:6; 1 Sam 28:8, 9; Isa 8:19; 19:3; 29:4).
19 Heb “a knowing [or “familiar”] [spirit]” (יִדְּעֹנִי, yiddé’oniy), i.e., one who is expert in mantic arts (cf. Lev 19:31; 20:6, 27; 1 Sam 28:3, 9; 2 Kgs 21:6; Isa 8:19; 19:3).
20 Heb “a seeker of the dead.” This is much the same as “one who conjures up spirits” (cf. 1 Sam 28:6–7).

In other versions

or a charmer or a medium or a necromancer or one who inquires of the dead,

or casts spells, or who is a medium or spiritist or who consults the dead.

cast spells, consult a medium or a spiritist, or inquire of the dead.

or cast spells, or function as mediums or psychics, or call forth the spirits of the dead.

or one who casts magic spells, or one who consults a spirit of the dead, or spiritist, or one who inquires of the dead.

Or a charmer, or a consulter with familiar spirits, or a wizard, or a necromancer.

Public Domain