OT teachings, who is Satan

Any human being who played the role of an accuser or enemy:

1 Sam 29:4

2 Sam 19:22

1 Kings 5:4

1 Kings 11:14

A divine messenger sent to obstruct Balaam (talking donkey)

Numbers 22:32

Archenemy of God or legitimate member of God's council?

Job 1-2

1 Chronicles 21:1

Zechariah 3

A member of God's council who objected to Joshua being chief priest

Zechariah 3:1-7

The name of someone? (No definite article used with the word satan)

The Snake

Gen 3:4 You will not surely die.

1 Chronicles 21:1

Isaiah: in a prophecy, chapter 14 Satan = King of Babylon:

4: How the oppressor has ceased, And how fury has ceased! <-- Satan will be stopped.

9: Sheol from beneath is excited over you to meet you when you come: It arouses for you the spirits of the dead, all the leaders of the earth;

Father of music: 11:  Your pomp and the music of your harps have been brought down to Sheol; Maggots =worms

Fallen from heaven: 12

Star of the morning, son of dawn: 12

Cut down to earth: 12

Weakened the nations: 12

Proud: 13 But you said in your heart, I will ascend to heaven; I will raise my throne above the stars of God, in the recesses of the north.

14: I will ascend above the heights of the clouds; I will make myself like the Most High.

15: Nevertheless you will be thrust down to Sheol, To the recesses of the pit.

Ezekiel 28:12-19 - Many details about Satan. Called "King of Tyre." Contrast this title with the "ruler of tyre" at Ezek 28:2

I Samuel 16:14 Now the Spirit of the Lord had departed from Saul, and an evil spirit from the Lord tormented him.