Exodus 5:15

5:15 The Israelite foremen went and cried out to Pharaoh, “Why are you treating your servants this way?

Exodus 9:30

9:30 But as for you and your servants, I know that you do not yet fear the Lord God.”

Exodus 21:7

21:7 “If a man sells his daughter as a female servant, she will not go out as the male servants do.