0 used to refer to a person whose job or interest is to notice people or things of the type mentioned: --
UK a train-spotter
a talent-spotter
Some authorities implement vehicle spotter schemes to identify smoky vehicles.
The fighters are the most important; then there are the scouts, the spotters who spot when projectiles are falling, and finally the bombers.
Are there employed, as by football clubs, persons who are known as "talent spotters "?
A licence is not required for the manufacture or sale of "radar spotters".
I apologise to any of my constituents who happen to be train spotters.
The role of the squadron was originally torpedo spotter reconnaissance but became strike and anti-submarine in 1951 and finally anti-submarine in 1955.
Vyner's reputation as a shrewd spotter and encourager of creative talent was gained on the back of the critical success accorded to the scores he commissioned.
In the room or in the basement + hidden enemy spotters with phone lines to the enemy.