lurker

English Thesaurus

1. someone waiting in concealment (noun.person)

hypernym	:	waiter,
definition	:	a person who waits or awaits (noun.person)

derivation	:	ambuscade, ambush, bushwhack, lie in wait, lurk, scupper, waylay,
definition	:	wait in hiding to attack (verb.competition)

derivation	:	lurk, skulk,
definition	:	lie in wait, lie in ambush, behave in a sneaky and secretive manner (verb.stative)

derivation	:	ambuscade, ambush, bushwhack, lie in wait, lurk, scupper, waylay,
definition	:	wait in hiding to attack (verb.competition)

derivation	:	lurk, skulk,
definition	:	lie in wait, lie in ambush, behave in a sneaky and secretive manner (verb.stative)