Now Moses was tending the flock of Jethro his father-in-law, the priest of Midian. And he led the flock to the back of the desert, and came to Horeb, the mountain of God.
Now Moses said to Hobab the son of Reuel the Midianite, Moses’ father-in-law, “We are setting out for the place of which the Lord said, ‘I will give it to you.’ Come with us, and we will treat you well; for the Lord has promised good things to Israel.”
So Moses went and returned to Jethro his father-in-law, and said to him, “Please let me go and return to my brethren who are in Egypt, and see whether they are still alive.” And Jethro said to Moses, “Go in peace.”
‘But the man who is unclean and does not purify himself, that person shall be cut off from among the assembly, because he has defiled the sanctuary of the Lord. The water of purification has not been sprinkled on him; he is unclean.