#highwayman__highjacker__hijacker__road_agent  a holdup man who stops a vehicle and steals from it
  supertype:  holdup_man__stickup_man__stickupman  an armed thief
  instance:  Dick_Turpin
  subtype:  footpad__padder  a highwayman who robs on foot

No statement uses or specializes highwayman; click here to add one.