draper vs trader

draper and trader both are nouns.

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

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

draper: a dealer in fabrics and sewing materials (and sometimes in clothing and drygoods)
trader: someone who purchases and maintains an inventory of goods to be sold

Other hypernyms of draper include bargainer, dealer, monger.

draper (noun)	trader (noun)
a dealer in fabrics and sewing materials (and sometimes in clothing and drygoods)	someone who purchases and maintains an inventory of goods to be sold