A spice merchant.
auctioner
A hatter
Ironmonger.
A confectioner.
Draper
A hotdog vendor
It's an old term, probably obsolete by now, but someone who sells fabric is called a mercer.
An agent or representative.
clothier
Daniel Studley.
A confectioner is someone who makes and sells candies and sweets. A chocolatier is someone who specifically makes and sells chocolate.
locksmith