Which term is used to describe the type of slavery where slaves are treated as a piece of poverty?

The term used to describe the type of slavery where slaves are treated as a piece of property is "chattel slavery." In this system, individuals are considered the legal property of their owners, who have absolute control over them, including the rights to buy, sell, or trade them. Chattel slavery has been historically prevalent in various cultures, notably in the transatlantic slave trade.