malingerer vs skulker

malingerer and skulker both are nouns.

Word	Noun	Adjective	Verb	Adverb
malingerer	Yes	No	No	No
skulker	Yes	No	No	No

As nouns, malingerer and skulker are synonyms defined as:

malingerer and skulker: someone shirking their duty by feigning illness or incapacity

Other synonyms of malingerer include shammer.

malingerer (noun)	skulker (noun)
someone shirking their duty by feigning illness or incapacity	someone waiting in concealment
	someone shirking their duty by feigning illness or incapacity