debutant (?.)
- abecedarian
- alphabetarian
- apprentice
- articled clerk
- baby
- beginner
- boot
- catechumen
- deb
- entrant
- fledgling
- freshman
- greenhorn
- greeny
- ignoramus
- inductee
- infant
- initiate
- learner
- neophyte
- nestling
- new boy
- newcomer
- novice
- novitiate
- postulant
- probationer
- probationist
- raw recruit
- recruit
- rookie
- tenderfoot
- trainee
- tyro