Watchful individual (8)
I believe the answer is:
observer
(Other definitions for observer that I've seen before include "One keeping his eye on" , "I notice" , "monitor" , "'Onlooker, spectator (8)'" , "Watcher, spectator" .)
I believe the answer is:
observer
(Other definitions for observer that I've seen before include "One keeping his eye on" , "I notice" , "monitor" , "'Onlooker, spectator (8)'" , "Watcher, spectator" .)