duties of tournament referee in table tennis
umpire is a referee in cricket
there is only 1 referee in tennis
Footballers Cant Challenge A referee's Decision. If he does and gets Carried away with it the player receives a booking! And In tennis its simply too keep the game fair. Like Now there is reviews in Cricket!
An Umpire :)
You can be any age
The Tournament Referee officiates over all matches in a USATT (USA TABLE TENNIS) sanctioned tournament.
Umpire of course
In competition table tennis, there is no such thing as "rules of tournament referee". However, you can go to the usatt.org website and research official rules of table tennis.