mineworker vs labourer

mineworker and labourer both are nouns.

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

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

mineworker: laborer who works in a mine
labourer: someone who works with their hands; someone engaged in manual labor

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

mineworker (noun)	labourer (noun)
laborer who works in a mine	someone who works with their hands; someone engaged in manual labor