'Buy' in the Bible

According to the number of years after the jubilee, you may buy from your neighbor. And according to the number of years with crops, he may sell to you.

"As for your male and maid slaves who will be with you, you may buy male and female slaves from among the nations.

You may also buy from resident aliens who live among you and their families who are with you, whom they fathered in your land. They may become your property.