Judges 18:19
And they said unto him, Hold thy peace, lay thine hand upon thy mouth, and go with us, and be to us a father and a priest: is it better for thee to be a priest unto the house of one man, or that thou be a priest unto a tribe and a family in Israel?
Cross-reference
Judges 17:10 records Micah offering the same 'father and priest' role to the Levite, which the Danites now repeat.
In 2 Kings 13:14, King Joash calls Elisha 'my father' — the same honorific the Danites offer the Levite, showing use of 'father' for spiritual leaders.
Job 21:5 uses the exact same phrase 'lay your hand upon your mouth' as a gesture of silent astonishment.
Job 29:9 describes nobles laying hand on mouth in silence, mirroring the gesture commanded here.
Job 40:4 has Job laying his hand on his mouth in humility, the same gesture as in Judges.
Proverbs 30:32 directly commands 'lay thine hand upon thy mouth' for foolishness, same gesture.
Micah 7:16 says nations will lay hand on mouth in shame, echoing the same gesture.
Matthew 23:9 forbids calling any man 'father' — directly opposite to the Danites' offer to make a man their father.