Leviticus 25:52

“And if there remain but few years unto the year of jubilee, etc.] Fewer than what he has served, then the less is given for his redemption: thus, for instance, in the above supposed case, if he has served fifteen years, and there remain but five to the year of jubilee: then he shall count with him, [and] according unto his years shall he give him again the price of his redemption; as in the fore mentioned case, he shall give him five pieces of money; and thus the law of justice and equity was maintained between the buyer and seller, the purchaser and the redeemer: in a like righteous manner the people of God are redeemed by Christ.”

“A sojourner or stranger - Rather, a foreigner who has settled among you. See Leviticus 16:29, note; Exodus 20:10, note. Leviticus 25:54 In these years - More properly, by one of these means. The extreme period of servitude in this case was six years, as when the master was a Hebrew Exodus 21:2. Looking at the law of the Jubilee from a simply practical point of view, its operation must have tended to remedy those evils which are always growing up in the ordinary conditions of human society. It prevented the permanent accumulation of land in the hands of a few, and periodically raised those whom fault or misfortune had sunk into poverty to a position of competency. It must also have tended to…”

“jubilee: The jubilee was a wonderful institution, and of great service to the religion, freedom, and independence of the Hebrews. It was calculated to prevent the rich from oppressing the poor, and reducing them to perpetual slavery; and to hinder their obtaining possession of all the lands by purchase, mortgage, or usurpation. It was further intended, that debts should not be multiplied too much, lest the poor should be entirely ruined; that slaves should not always continue in servitude; that personal liberty, equality of property, and the regular order of families might, as much as possible, be preserved; and that the people might thus be strongly attached to their country, lands, and…”