Hebrew servants might also, from love to their masters, in like manner and by the same ceremony, become servants forever.
"5.

Strangers and sojourners among the Hebrews, 'waxing rich,' were allowed to buy Hebrews who were 'waxen poor,' and who were at liberty to sell themselves to these sojourners or to the family of these strangers.
The jubilee year, however, terminated this servitude.

The price of sale was graduated according to the number of years previous to the jubilee year.

The kindred of the servant had the right of redeeming him, the price being regulated in the same way.
"6.

In all these cases in which Hebrews were bought and sold, there were special injunctions that they should not be treated 'with rigor,' the reason assigned by the Most High being substantially the same in all cases, namely, 'For unto me the children of Israel are servants; they are my servants whom I brought forth out of the land of Egypt: I am the Lord your God.' "7.