wrecker vs manual laborer

wrecker and manual laborer both are nouns.

Word	Noun	Adjective	Verb	Adverb
wrecker	Yes	No	No	No
manual laborer	Yes	No	No	No

As nouns, manual laborer is a hypernym of wrecker; that is, manual laborer is a word with a broader meaning than wrecker:

wrecker: someone who demolishes or dismantles buildings as a job
manual laborer: someone who works with their hands; someone engaged in manual labor

Other hypernyms of wrecker include jack, laborer, labourer.

wrecker (noun)	manual laborer (noun)
a truck equipped to hoist and pull wrecked cars (or to remove cars from no-parking zones)	someone who works with their hands; someone engaged in manual labor
someone who commits sabotage or deliberately causes wrecks
someone who demolishes or dismantles buildings as a job