Leviticus 25:40

[But] as an hired servant
Who is hired by the day, or month, or year; and, when his time is up, receives his wages and goes where he pleases, and while a servant is not under such despotic power and government as a slave is: [and] as a sojourner;
an inmate, one that dwells in part of a man's house, or boards and lodges with him, and whom he treats in a kind and familiar manner, rather like one of his own family than otherwise: he shall be with thee;
as under the above characters, and used as such: this the Jews refer to food and drink, and other things, as they do, ( Deuteronomy 15:16 ) ; and say ^F17 that a master might not eat fine bread, and his servant bread of bran; nor drink old wine, and his servant new; nor sleep on soft pillows and bedding, and his servant on straw: hence, they say ^F18, he that gets himself an Hebrew servant is as if he got himself a master: [and] shall serve thee unto the year of the jubilee;
and no longer; for if the year of jubilee came before the six years were expired for which he sold himself, the jubilee set him free, as Jarchi observes; nay, if be sold himself for ten or twenty years, and that but one year before the jubilee, it set him free, as Maimonides says ^F19.