Neither the Council nor any of its members shall dictate the appointment, discipline or discharge of any person to office or employment by the Manager or in any manner interfere with the Manager or prevent him or her from exercising his or her own judgment in the appointment, discipline or discharge of offices and employees in the administrative service. Except for the purpose of inquiry, the Council and its members shall deal with and control the administrative service solely through the Manager. Neither the Council nor any of its members shall give orders to any subordinate of the Manager, either publicly or privately.
(`89 Code, § 5.100)