Job 31:13,14
If I did despise the cause of my manservant or of my maidservant, when they contended with me;
Torrey's Topical Textbook—AKJV

Deuteronomy 24:14
You shall not oppress an hired servant that is poor and needy, whether he be of your brothers, or of your strangers that are in your land within your gates:
Torrey's Topical Textbook—AKJV

Jeremiah 22:13
Woe to him that builds his house by unrighteousness, and his chambers by wrong; that uses his neighbor's service without wages, and gives him not for his work;
Torrey's Topical Textbook—AKJV