Soldier asking "Who goes there?" (6)
I believe the answer is:
sentry
(Other definitions for sentry that I've seen before include "Sentinel, look-out" , "Mil. guard" , "Watchman" , "Person standing watch" , "One who stands guard" .)
I believe the answer is:
sentry
(Other definitions for sentry that I've seen before include "Sentinel, look-out" , "Mil. guard" , "Watchman" , "Person standing watch" , "One who stands guard" .)