Leviticus 25:49-51

New Revised Standard Version, Anglicised

⁴⁹ or their uncle or their uncle’s son may redeem them, or anyone of their family who is of their own flesh may redeem them; or if they prosper they may redeem themselves. ⁵⁰ They shall compute with the purchaser the total from the year when they sold themselves to the alien until the jubilee year; the price of the sale shall be applied to the number of years: the time they were with the owner shall be rated as the time of a hired labourer. ⁵¹ If many years remain, they shall pay for their redemption in proportion to the purchase price;