lay thine hand, &c. Put by Figure of speech Metonymy (of Adjunct) for "be silent".
better. Man's priest soon gets promotion.
Related Commentaries of Judges 18:19
Judges 18:19
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?