(n.) One who has lately come.

abecedarian alien alphabetarian amateur apprentice arrival arriviste articled clerk baby beginner boot catechumen colonist colt comer deb debutant emigrant entrant fledgling foreigner freshman gate-crasher greenhorn greeny ignoramus immigrant in-migrant incomer inductee infant initiate intruder learner neophyte nestling new arrival new boy novice novitiate novus homo outlander outsider parvenu postulant probationer probationist proselyte raw recruit recruit rookie settler squatter stowaway stranger tenderfoot trainee tyro upstart visitant visitor