Leviticus 25:54
If he isn't redeemed by these, then he is to be set free in the year of jubilee he and his children with him
Exodus 21:2-3
"When you acquire a Hebrew servant, he is to serve for six years, and in the seventh he is to go out a free man without paying anything.
Leviticus 25:40-41
Instead, he is to serve with you like a hired servant or a traveler who lives with you, until the year of jubilee.
Isaiah 49:9
saying to captives, "Come out!' and to those who are in darkness, "Be free!' "They will feed on all the mountains, and their pasture will be on all the barren hills.
Isaiah 49:25
But this is what the LORD says: "He will seize even the warriors' plunder, and the captives of tyrants will be rescued. I myself will quarrel with those who have a quarrel with you, and I myself will save your children.
Isaiah 52:3
For this is what the LORD says: "You were sold for nothing, and you'll be redeemed without money."