Leviticus 25:54
And if he shall not be redeemed in these years, then he shall go out in the year of jubilee, both he, and his children with him.
Exodus 21:2-3
If thou shalt buy a Hebrew servant, six years he shall serve: and in the seventh he shall depart free for nothing.
Leviticus 25:40-41
But as a hired servant, and as a sojourner he shall be with thee, and shall serve thee to the year of jubilee.
Isaiah 49:9
That thou mayest say to the prisoners, Go forth; to them that are in darkness, Show 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 naught; and ye shall be redeemed without money.