greenhorn (n.)
- abecedarian
- apprentice
- arriviste
- babe
- baby
- beginner
- boob
- boot
- catechumen
- chump
- cinch
- cull
- dabbler
- deb
- dilettante
- dunce
- dupe
- emigrant
- entrant
- fish
- fledgling
- fool
- freshman
- gudgeon
- gull
- ignoramus
- illiterate
- immigrant
- incompetent
- inductee
- infant
- initiate
- innocent
- intruder
- learner
- lowbrow
- mediocrity
- middlebrow
- monkey
- neophyte
- nestling
- newcomer
- novice
- novitiate
- parvenu
- patsy
- pigeon
- plaything
- postulant
- probationer
- pushover
- recruit
- rookie
- sap
- saphead
- schlemiel
- settler
- squatter
- stooge
- stowaway
- sucker
- tenderfoot
- toy
- trainee
- tyro
- upstart
- victim
