1 Corinthians 6:8

But you injure and defraud, and that your brothers.

2 Corinthians 11:22

Are they Hebrews? so am I. Are they Israelites? so am I. Are they the posterity of Abraham? so am I.

Philippians 3:5

circumcised the eighth day, of the race of Israel, of the tribe of Benjamin, a Hebrew of the Hebrews, as to the law 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
Are they Hebrews? so am I. Are they Israelites? so am I. Are they the posterity of Abraham? so am I.
Philippians 3:5
circumcised the eighth day, of the race of Israel, of the tribe of Benjamin, a Hebrew of the Hebrews, as to the law a Pharisee,

Serve

1 Corinthians 6:8
But you injure and defraud, and that your brothers.