linesman
🇺🇸
/ˈlaɪnzmən/
🇬🇧
/ˈlaɪnzmən/
An assistant to the main referee in sports like football, mainly responsible for indicating when the ball goes out of bounds.
The linesman quickly flagged that the ball had crossed the sideline.
A worker who installs and fixes telephone or electricity cables.
The linesman climbed the pole to repair the damaged power lines after the storm.