Leviticus 25:54
And if he be not redeemed in these years, then he shall go out in the year of jubile, both he, and his children with him.
Exodus 21:2-3
If thou buy an Hebrew servant, six years he shall serve: and in the seventh he shall go out free for nothing.
Leviticus 25:40-41
But as an hired servant, and as a sojourner, he shall be with thee, and shall serve thee unto the year of jubile:
Isaiah 49:9
That thou mayest say to the prisoners, Go forth; to them that are in darkness, Shew yourselves. They shall feed in the ways, and their pastures shall be in all high places.
Isaiah 49:25
But thus saith the LORD, Even the captives of the mighty shall be taken away, and the prey of the terrible shall be delivered: for I will contend with him that contendeth with thee, and I will save thy children.
Isaiah 52:3
For thus saith the LORD, Ye have sold yourselves for nought; and ye shall be redeemed without money.