'Buy' in the Bible

"'If you sell anything to your neighbor, or buy from your neighbor, you shall not wrong one another.

According to the number of years after the Jubilee you shall buy from your neighbor. According to the number of years of the crops he shall sell to you.

"'As for your male and your female slaves, whom you may have; of the nations that are around you, from them you may buy male and female slaves.

Moreover of the children of the aliens who live among you, of them you may buy, and of their families who are with you, which they have conceived in your land; and they will be your property.

If it is an unclean animal, then he shall buy it back according to your valuation, and shall add to it the fifth part of it: or if it isn't redeemed, then it shall be sold according to your valuation.