'Slave' in the Bible

‘Now if a man has intimate relations with a woman who is a slave acquired for [marriage to] another man, but who has not been redeemed nor given her freedom, there shall be punishment [after an investigation]; they shall not be put to death, because she was not free;

But if a priest buys a slave as his property with his money, the slave may eat the holy thing, and those who are born in the priest’s house; they may eat his food.

‘And if your fellow countryman becomes so poor [in his dealings] with you that he sells himself to you [as payment for a debt], you shall not let him do the work of a slave [who is ineligible for redemption],