Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun skulker
2 senses of skulker
Sense 1
malingerer, skulker, shammer -- (someone shirking their duty by feigning illness or incapacity)
=> slacker, shirker -- (a person who shirks his work or duty (especially one who tries to evade military service in wartime))
Sense 2
lurker, skulker, lurcher -- (someone waiting in concealment)
=> waiter -- (a person who waits or awaits)