Nazir 62: Not Placing a Value on Non-Jews
Developing the principle that "erkhin," valuation of people, doesn't apply to non-Jews, including the exegesis from the verses on valuation. Also, 2 mishnayot on amud bet: regarding the stringency of the slave, in contrast to the woman's nezirut. Plus, more on the slave's vows, and how they are intertwined with the requirements of the master.