Leviticus 25:53 in the King James Version
And as a yearly hired servant shall he be with him: and the other shall not rule with rigour over him in thy sight.
Context
52 If there remain but a few years to the year of jubilee, then he shall reckon with him; according to his years of service he shall give back the price of his redemption.
53 As a servant hired year by year shall he be with him. He shall not rule with harshness over him in your sight.
54 If he isn’t redeemed by these means, then he shall be released in the Year of Jubilee: he and his children with him.