Synonyms for "newcomer": beginner, rookie, starter, immigrant, freshman, tenderfoot, novice, stranger, outsider, emigrant, entrant, initiate, convert, proselyte, arrival, colonist, pilgrim, settler, pioneer, incomer, latecomer, johnny-come-lately, neophyte, tyro, probationer, recruit, pupil, apprentice, trainee, student, fledgling, cub, colt, greenhorn, accession, adapter, transfer.