'Enslave' in the Bible

You may give them as inheritance to your children after you to possess as property. You may enslave them perpetually. However, as for your brothers the Israelites, no man may rule over his brother harshly.

And now you are planning to enslave the people of Judah and Jerusalem. Yet are you not also guilty before the Lord your God?

But God spoke as follows: 'Your descendants will be foreigners in a foreign country, whose citizens will enslave them and mistreat them for four hundred years.