probationer
noun
[ prəˈbeɪʃ(ə)nə ]
• a person who is serving a probationary or trial period in a job or position to which they are newly appointed.
Similar:
trainee,
novice,
apprentice,
inexperienced worker,
new recruit,
learner,
beginner,
tyro,
neophyte,
rookie,
greenhorn,
probie,
• an offender on probation.