dock-walloper vs manual laborer

dock-walloper and manual laborer both are nouns.

Word	Noun	Adjective	Verb	Adverb
dock-walloper	Yes	No	No	No
manual laborer	Yes	No	No	No

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

dock-walloper: a laborer who loads and unloads vessels in a port
manual laborer: someone who works with their hands; someone engaged in manual labor

Other hypernyms of dock-walloper include jack, laborer, labourer.

dock-walloper (noun)	manual laborer (noun)
a laborer who loads and unloads vessels in a port	someone who works with their hands; someone engaged in manual labor