Why doesn't God save everyone, and other questions

So Esau was always going to be lost and Jacob was always going to be saved, how can that be fair?
How can God choose to save some and not others?
Why doesn't God choose everyone?
How can God blame people for rejecting Him, If in the first place God had decided that they would never be saved? It makes no sense.
It’s just like their pawns in God's chess game, to be picked up and discarded.
What sort of God is He? Is God an unjust tyrant?
What do you think?