dustman vs refuse collector

dustman and refuse collector both are nouns.

Word	Noun	Adjective	Verb	Adverb
dustman	Yes	No	No	No
refuse collector	Yes	No	No	No

As nouns, dustman and refuse collector are synonyms defined as:

dustman and refuse collector: someone employed to collect and dispose of refuse

Other synonyms of dustman include garbage carter, garbage collector, garbage hauler, garbage man, garbageman.

dustman (noun)	refuse collector (noun)
someone employed to collect and dispose of refuse	someone employed to collect and dispose of refuse