The Collaborative International Dictionary of English v.0.48:

Fumer \Fum"er\, n.
   1. One that fumes.
      [1913 Webster]

   2. One who makes or uses perfumes. [Obs.]
      [1913 Webster]

            Embroiderers, feather makers, fumers. --Beau. & Fl.
      [1913 Webster]