No person shall interfere with, hinder, disturb or obstruct the proceedings, functions or deliberations of the Township Committee, the Board of Health or any school or other official body of the township, nor shall any person molest, obstruct, hinder or interfere with any municipal officer, school official or teacher or official engaged in the performance of his duty or knowingly resist or oppose any person authorized by law to make arrests or to serve any writ, bill, order or process when the person so authorized is acting in the performance of his duty.