1 Corinthians 6:8

But it is you who wrong and rob others, and your own brothers at that!

2 Corinthians 11:22

If they are Hebrews, so am I! If they are Israelites, so am I! If they are descended from Abraham, so am I!

Philippians 3:5

I was circumcised when I was eight days old. I am a descendant of Israel. I belong to the tribe of Benjamin. I am a Hebrew, and the son of Hebrews. As to the Law, I was a Pharisee;

Treasury of Scripture Knowledge

Summary

That every man should let his manservant, and every man his maidservant, being an Hebrew or an Hebrewess, go free; that none should serve himself of them, to wit, of a Jew his brother.

Bible References

Hebrew

2 Corinthians 11:22
If they are Hebrews, so am I! If they are Israelites, so am I! If they are descended from Abraham, so am I!
Philippians 3:5
I was circumcised when I was eight days old. I am a descendant of Israel. I belong to the tribe of Benjamin. I am a Hebrew, and the son of Hebrews. As to the Law, I was a Pharisee;

Serve

1 Corinthians 6:8
But it is you who wrong and rob others, and your own brothers at that!