From Longman Dictionary of Contemporary Englishdraperdrap‧er /ˈdreɪpə $ -ər/ noun [countable] British English old-fashioned BOBBTsomeone who sells cloth, curtains etc
Examples from the Corpus
draper• The London Titfords made silk in Spitalfields; and a draper cousin could help sell it for them. 32.• Also patron of drapers and schoolgirls.• By the mid-thirteenth century they were still the leading guild, although the drapers were now also important.Origin draper (1300-1400) Old French drapier, from drap; → DRAPE 