Deuteronomy 15:3
You may exact payment from a foreigner, but whatever your fellow Israelite owes you, you must remit.
Deuteronomy 23:20
You may lend with interest to a foreigner, but not to your fellow Israelite; if you keep this command the Lord your God will bless you in all you undertake in the land you are about to enter to possess.
Exodus 22:25
"If you lend money to any of my people who are needy among you, do not be like a moneylender to him; do not charge him interest.
Matthew 17:25-26
He said, "Yes." When Peter came into the house, Jesus spoke to him first, "What do you think, Simon? From whom do earthly kings collect tolls or taxes -- from their sons or from foreigners?"
John 8:35
The slave does not remain in the family forever, but the son remains forever.
1 Corinthians 6:6-7
Instead, does a Christian sue a Christian, and do this before unbelievers?
Galatians 6:10
So then, whenever we have an opportunity, let us do good to all people, and especially to those who belong to the family of faith.