The Collaborative International Dictionary of English v.0.48:

enlistee \enlistee\ n.
   1. any new member of an organization or supporter of a cause.

   Syn: recruit.
        [WordNet 1.5]

   2. an enlisted man or woman in the armed forces.
      [PJC]

   3. a person who enlisted voluntarily in the armed forces; --
      contrasted with draftee.
      [PJC]

WordNet (r) 3.0 (2006):

enlistee
    n 1: any new member or supporter (as in the armed forces) [syn:
         recruit, enlistee]