Job 31:13

If I have despised the cause of my bondman or of my bondmaid, when they contended with me,

Exodus 21:20-21

And if a man strike his bondman or his handmaid with a staff, and he die under his hand, he shall certainly be avenged.

Exodus 21:26-27

And if a man strike the eye of his bondman or the eye of his handmaid, and it be marred, he shall let him go for his eye.

Leviticus 25:43

Thou shalt not rule over him with rigour; and thou shalt fear thy God.

Leviticus 25:46

And ye shall leave them as an inheritance to your children after you, to inherit them as a possession: these may ye make your bondmen for ever; but as for your brethren, the children of Israel, ye shall not rule over one another with rigour.

Deuteronomy 15:12-15

If thy brother, a Hebrew man, or a Hebrew woman, have been sold unto thee, he shall serve thee six years, and in the seventh year thou shalt let him go free from thee.

Deuteronomy 24:14-15

Thou shalt not oppress a hired servant who is poor and needy of thy brethren, or of thy sojourners who are in thy land within thy gates:

Jeremiah 34:14-17

At the end of seven years ye shall let go every man his brother, a Hebrew, who hath sold himself unto thee; when he hath served thee six years, thou shalt let him go free from thee. But your fathers hearkened not unto me, neither inclined their ear.

Ephesians 6:9

And, masters, do the same things towards them, giving up threatening, knowing that both their and your Master is in heaven, and there is no acceptance of persons with him.

Colossians 4:1

Masters, give to bondmen what is just and fair, knowing that ye also have a Master in the heavens.

Treasury of Scripture Knowledge

Summary

If I did despise the cause of my manservant or of my maidservant, when they contended with me;

Bible References

The cause

Exodus 21:20
And if a man strike his bondman or his handmaid with a staff, and he die under his hand, he shall certainly be avenged.
Leviticus 25:43
Thou shalt not rule over him with rigour; and thou shalt fear thy God.
Deuteronomy 15:12
If thy brother, a Hebrew man, or a Hebrew woman, have been sold unto thee, he shall serve thee six years, and in the seventh year thou shalt let him go free from thee.
Jeremiah 34:14
At the end of seven years ye shall let go every man his brother, a Hebrew, who hath sold himself unto thee; when he hath served thee six years, thou shalt let him go free from thee. But your fathers hearkened not unto me, neither inclined their ear.
Ephesians 6:9
And, masters, do the same things towards them, giving up threatening, knowing that both their and your Master is in heaven, and there is no acceptance of persons with him.
Colossians 4:1
Masters, give to bondmen what is just and fair, knowing that ye also have a Master in the heavens.

General references

Exodus 21:26
And if a man strike the eye of his bondman or the eye of his handmaid, and it be marred, he shall let him go for his eye.
Exodus 23:6
Thou shalt not pervert the judgment of thy poor in his cause.
Deuteronomy 24:14
Thou shalt not oppress a hired servant who is poor and needy of thy brethren, or of thy sojourners who are in thy land within thy gates: