[The] "Satan" in the OT isn't the 'serpent' in Eden.
In fact, an Elohim or a human can be [The] "Satan".
It's a title/role/job title of the adversary.
It wasn't until the NT that 'Satan' was associated with the evil one, the enemy of God the Father.
The million dollar question is then, who is the "evil one"?
Did Jesus tell us who this was?
Thanks to Israel Anderson and his table talks, I can see more and more that Jesus himself uses the Exodus story to tell us exactly who the evil one is.
Have you figured it out yet?