Leviticus 25:44
As for your male and female slaves whom you may have: you may buy male and female slaves from among the nations that are around you.
Exodus 12:44
but every slave that is bought for money may eat of it after you have circumcised him.
Psalm 2:8-9
Ask of me, and I will make the nations your heritage, and the ends of the earth your possession.
Isaiah 14:1-2
For the LORD will have compassion on Jacob and will again choose Israel, and will set them in their own land, and sojourners will join them and will attach themselves to the house of Jacob.
Revelation 2:26-27
The one who conquers and who keeps my works until the end, to him I will give authority over the nations,