Chapter 3 and portions of the chapters 7 and 8 of Tractate Bava Metzia in the Mishnah, Tosefta, Jerusalem Talmud, and Babylonian Talmud interpreted the laws of bailment in The Mishnah identified four categories of guardians ("shomrim"): (1) an unpaid custodian (), (2) a borrower (), (3) a paid custodian (), and (4) a renter (). The Mishnah summarized the law when damage befell the property in question: An unpaid custodian must swear for everything and bears no liability, a borrower must pay in all cases, a paid custodian or a renter must swear concerning an animal that was injured, captured, or died, but must pay for loss or theft.