cleaner vs labourer

cleaner and labourer both are nouns.

Word	Noun	Adjective	Verb	Adverb
cleaner	Yes	No	No	No
labourer	Yes	No	No	No

As nouns, labourer is a hypernym of cleaner; that is, labourer is a word with a broader meaning than cleaner:

cleaner: someone whose occupation is cleaning
labourer: someone who works with their hands; someone engaged in manual labor

Other hypernyms of cleaner include jack, laborer, manual laborer.

cleaner (noun)	labourer (noun)
a preparation used in cleaning something	someone who works with their hands; someone engaged in manual labor
someone whose occupation is cleaning
the operator of dry-cleaning establishment