'Man' in the Bible

Do we not have one father? Has not one God created us? Why does each of us act deceitfully, each man against his own brother, to profane the covenant of our ancestors?

May the LORD exclude from the community of Jacob any man who does this, whoever he may be, even though he brings offerings to the LORD of the Heavenly Armies.

"They'll be mine," says the LORD of the Heavenly Armies, "in the day when I prepare my treasured possession. I'll spare them, just as a man spares his own son who serves him.