A conductor, baggage master, engineer, brakeman, or other servant of a railroad corporation employed in a passenger train or at stations for passengers shall wear upon his or her hat or cap a badge, which shall indicate his or her office, and the initial letters of the name of the corporation by which he or she is employed. An officer without such badge shall not demand or be entitled to receive from any passenger any fare, toll, or ticket; or interfere with a passenger or his or her baggage or property; or exercise any of the powers of his or her office.