The refree at the football field gave the defence a penalty.
The 'refree' is an umpire and there can be either
The people who assist the refree are called the line judges and they stand on the corner of the court on the opposite side of the server to see something that the head refree may have missed
referee
Umpire
Yes
Football has a referee.
you simply cant
10000 a game
Valentine Ivanov
On the side lines
22players + 1refree and 2assistance refree
Just the one (if you're talking proper football, the one where you use your feet...)