'Owner' in the Bible

Then he [or his redeemer] shall calculate with his purchaser from the year when he sold himself to the purchaser to the Year of Jubilee, and the [original] price of his sale shall be adjusted according to the number of years. The time he was with his owner shall be considered as that of a hired man.

If it is among the unclean animals, the owner may redeem it in accordance with your valuation, and add one-fifth to it; or if it is not redeemed, then it shall be sold in accordance with your valuation.