Answer:

linesman

Answer	Crossword Clue
LINESMAN	Football official
LINESMAN	Fault caller
LINESMAN	Tennis official

LINESMAN	Wimbledon fault-caller
LINESMAN	Wimbledon official
LINESMAN	Field official
LINESMAN	Ice-hockey official
LINESMAN	Hockey official
LINESMAN	Football official.
LINESMAN	Gridiron official.
LINESMAN	Tennis official.

LINESMAN	Official in lawn tennis
LINESMAN	Court official
LINESMAN	Referee's assistant
LINESMAN	Grid official
LINESMAN	One involved in a faceoff
LINESMAN	One involved in a face-off
LINESMAN	Umpire's assistant
LINESMAN	Down marker

Crossword

a puzzle consisting of a grid of squares and blanks into which words crossing vertically and horizontally are written according to clues.