garbage man vs garbage hauler

garbage man and garbage hauler both are nouns.

Word	Noun	Adjective	Verb	Adverb
garbage man	Yes	No	No	No
garbage hauler	Yes	No	No	No

As nouns, garbage man and garbage hauler are synonyms defined as:

garbage man and garbage hauler: someone employed to collect and dispose of refuse

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

garbage man (noun)	garbage hauler (noun)
someone employed to collect and dispose of refuse	someone employed to collect and dispose of refuse