S: (n) dispatcher (employee of a transportation company who controls the departures of vehicles according to weather conditions and in the interest of efficient service)
S: (n) dog catcher (an employee of a municipal pound who is hired to round up stray dogs and cats)
S: (n) floater (an employee who is reassigned from job to job as needed)
S: (n) floorwalker, shopwalker (an employee of a retail store who supervises sales personnel and helps with customer problems) "a floorwalker is called a shopwalker in Britain"
S: (n) sandwichman (a person with advertising boards hanging from the shoulders)
S: (n) spotter (a worker employed to apply spots (as markers or identifiers))
S: (n) spotter (a worker employed at a dry-cleaning establishment to remove spots)
S: (n) staff member, staffer (an employee who is a member of a staff of workers (especially a member of the staff that works for the President of the United States))