tipstaff

noun2

1. •
   A ceremonial staff, with a metal tip, carried by a constable or bailiff etc as a sign of office
2. •
   An officer, of a court etc. who carries such a staff

   • Fire and furies, do a set of boozing tipstaves think to take the man who outwitted Jeffreys and slipped through Kirke's lambs?" — 1897