packman vs marketer

packman and marketer both are nouns.

Word	Noun	Adjective	Verb	Adverb
packman	Yes	No	No	No
marketer	Yes	No	No	No

As nouns, marketer is a hypernym of packman; that is, marketer is a word with a broader meaning than packman:

packman: someone who travels about selling his wares (as on the streets or at carnivals)
marketer: someone who promotes or exchanges goods or services for money

Other hypernyms of packman include seller, trafficker, vender, vendor.

packman (noun)	marketer (noun)
someone who travels about selling his wares (as on the streets or at carnivals)	someone who promotes or exchanges goods or services for money