To follow basic netball rules and blow the whistle when one rule is broken. The biggest rule is to be fair to both teams.
Umpire
they have to give the score card to the main man.
to keep time muhahahaha!
sure, as long as you do not contact your defender. if you are worried, ask your coach or the umpire during training or before a match. :)
Note down the scores of each team during the match.
3 seconds
Umpire
Sixteen including the two umpires.
There are four umpires in a cricket match at first class level. Two are on-field, the square leg umpire and the main umpire. There is also the third umire and the reserve umpire who is alo known as the fourth umpire.
For each match there is an umpire, whose primary duty is to decide the result of each rally.
A netball match is 40 minutes
professional match: umpire regular match: the server