1.
The people who are paid to maintain a sports ground are called the ground staff .
The ground staff do all they can to prepare the pitch.
N-COUNT-COLL
2.
At an airport, the ground staff are the employees of aeroplane companies who do not fly with the planes, but who work in the airport helping passengers and providing information.
There had been a strike amongst British Airways ground staff.
N-COUNT-COLL