Jewish teachings teach that G-D has always been for all man kind just the rules for jews and everyone else is different. They teach that one does not have to have anything to do with Israel spiritually or physically for that matter. Take Noah for example.
Up on till Jacob and perhaps even later, God interacted with individuals who tried to please him, case in point, Job, Abraham, Noah, Enoch. Noah was the progenitor of mankind at a time Israel did not exist; in this sense, he was not a gentile, pagan, or Jew. He was simply a righteous man whom God used to save us all from annihilation.
From when Israel entered the Mosaic Covenant, his interaction, as known to us, consisted solely in regard to his covenant people he had selected to be a special possession.
The point of the Bible from Genesis on was the coming of the Seed that should do away with satan: this was for all mankind. In this,
God proposed to provide an administration that gathered all things in Christ from the foundation of the world (not earth, but birth of first children).
Ephesians 1:9-10 9 in that he made known to us the sacred secret of his will. It is according to his good pleasure which he purposed in himself 10 for an administration at the full limit of the appointed times, namely, to gather all things together again in the Christ, the things in the heavens and the things on the earth. [Yes,] in him,
As we are told, for some time God permitted the ignorance of the gentiles to exist, but this time is over:
Acts 17:29-31 . . .we ought not to imagine that the Divine Being is like gold or silver or stone, like something sculptured by the art and contrivance of man. 30 True, God has overlooked the times of such ignorance, yet now he is telling mankind that they should all everywhere repent. 31 Because he has set a day in which he purposes to judge the inhabited earth in righteousness by a man whom he has appointed, and he has furnished a guarantee to all men in that he has resurrected him from the dead.”