'Man' in the Bible

Don't we all have one father? Hasn't one God created us? Why do we deal treacherously every man against his brother, profaning the covenant of our fathers?

Yahweh will cut off, to the man who does this, him who wakes and him who answers, out of the tents of Jacob, and him who offers an offering to Yahweh of Armies.

Will a man rob God? Yet you rob me! But you say, 'How have we robbed you?' In tithes and offerings.

They shall be mine," says Yahweh of Armies, "my own possession in the day that I make, and I will spare them, as a man spares his own son who serves him.