People who claim to be channels through whom the spirits of the dead speak to the living.

Deuteronomy 18:10-12

God's people must not be mediums

Isaiah 8:19-20

God's people must not consult mediums

See also

Leviticus 19:31; 20:6
2 Kings 23:24
Jeremiah 27:9
1 Samuel 28:3-16

Examples of those who turned to mediums

1 Chronicles 10:13

King Saul

2 Kings 21:6

King Manasseh

Isaiah 19:3

pp 2Ch 33:6

See also

The Egyptians

1025 God, anger of
1690 word of God
4185 sorcery and magic
4190 spiritism
5289 debt
7141 people of God, OT
8021 faith
8460 pleasing God
8754 fear