hardwareman vs trader

hardwareman and trader both are nouns.

Word	Noun	Adjective	Verb	Adverb
hardwareman	Yes	No	No	No
trader	Yes	No	No	No

As nouns, trader is a hypernym of hardwareman; that is, trader is a word with a broader meaning than hardwareman:

hardwareman: someone who sells hardware
trader: someone who purchases and maintains an inventory of goods to be sold

Other hypernyms of hardwareman include bargainer, dealer, monger.

hardwareman (noun)	trader (noun)
someone who sells hardware	someone who purchases and maintains an inventory of goods to be sold