Answer: lurks

AnswerCrossword Clue
LURKSLies in wait
LURKSStands in the shadows
LURKSVisits a forum without posting
LURKSLies unobserved
LURKSWaits in hiding
LURKSStays in the shadows
LURKSWaits in the shadows
LURKSProwls.
LURKSSkulks.
LURKSSkulks
LURKSHides in the shadows
LURKSPrepares for an ambush
lurksto lie hidden
lurksLURK, to lie in wait