Raff merchant

from The Collaborative International Dictionary of English v.0.48

Raff \Raff\, n.
   1. A promiscuous heap; a jumble; a large quantity; lumber;
      refuse. "A raff of errors." --Barrow.
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   2. The sweepings of society; the rabble; the mob; -- chiefly
      used in the compound or duplicate, riffraff.
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   3. A low fellow; a churl.
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   {Raff merchant}, a dealer in lumber and odd refuse. [Prov.
      Eng.]
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