Answer: linesman

AnswerCrossword Clue
LINESMANTennis official.
linesmana football official
linesman(in games played on a field or court) An official who assists the referee or umpire from the sideline, esp. in deciding on whether the ball is out of play
LINESMANDown marker
LINESMANUmpire's assistant
LINESMANOne involved in a face-off
LINESMANOne involved in a faceoff
LINESMANGrid official
LINESMANReferee's assistant
LINESMANCourt official
LINESMANOfficial in lawn tennis
LINESMANFootball official
LINESMANGridiron official.
LINESMANFootball official.
LINESMANHockey official
LINESMANIce-hockey official
LINESMANField official
LINESMANWimbledon official
LINESMANWimbledon fault-caller
LINESMANTennis official
LINESMANFault caller