WordNet (r) 3.0 (2006):

raw recruit
    n 1: an inexperienced and untrained recruit

Moby Thesaurus II by Grady Ward, 1.0:

42 Moby Thesaurus words for "raw recruit":
   abecedarian, alphabetarian, apprentice, articled clerk, baby,
   beginner, boot, catechumen, conscript, deb, debutant, draft,
   drafted man, draftee, enlistee, enrollee, entrant, fledgling,
   freshman, greenhorn, greeny, ignoramus, inductee, infant, initiate,
   learner, levy, neophyte, nestling, new boy, newcomer, novice,
   novitiate, postulant, probationer, probationist, recruit, rookie,
   selectee, tenderfoot, trainee, tyro