veteran

incapable, incompetent, inept, unfit, unfitted, unqualified, weak

artless, crude, rude

ineffective, ineffectual, inefficient

talentless, ungifted, untalented

ignorant, unschooled, untaught, untrained, untutored

beginning, green, inexperienced, new, raw, unseasoned, untested, untried, would-be

primitive, rough, unpolished

awkward, clumsy, heavy-handed

apprentice, cub

boot, novitiate

amateur, dilettante

learner, student, trainee

candidate, entrant, probationer