Observer (7)
'observer' is the definition.
(I know that onlooker is a type of looker)
This is all the clue.
(Other definitions for onlooker that I've seen before include "One who watches without becoming involved" , "Bystander" , "One observes" , "He's not involved - just observing" , "Spectator" .)
(Other definitions for beholder that I've seen before include "Observer" , "One who observes" , "One sees" , "Onlooker" , "Beauty is said to be in this eye" .)
'observer' is the definition.
(I know that watcher is a type of observer)
This is all the clue.
(Other definitions for watcher that I've seen before include "Big Brother?" , "Onlooker" , "I observe" , "Alert observer" , "One who observes" .)
(Other definitions for scout that I've seen before include "Reconnoitre" , "Soldier on a recce mission" , "Information-gathering soldier" , "Soldier on a reconnaissance mission" , "Member of organisation for boys" .)