Source : Webster's Revised Unabridged Dictionary (1913)

Amorist \Am"o*rist\, n. [L. armor love. See {Amorous}.]
   A lover; a gallant. [R.] --Milton.

         It was the custom for an amorist to impress the name of
         his mistress in the dust, or upon the damp earth, with
         letters fixed upon his shoe.             --Southey.

Source : WordNet®

amorist
     n : one dedicated to love and lovemaking especially one who
         writes about love