the.com/newcomer
Someone who just arrived and still apologizes for opening the wrong door.
means A person who has recently arrived in a place, group, or activity and lacks established history there.
from From Middle English: literally one who has 'new come,' stitched together around the 1400s and never taken apart since.
Built plainJust 'new' plus 'comer,' no hidden cleverness.
Neutral tiltImplies inexperience without insult, unlike 'rookie' or 'greenhorn.'
Wide reachWorks for towns, industries, sports, and species.