Synonyms: stranger, unknown, alien
Definition: anyone who does not belong in the environment in which they are found
Similar words: intruder, interloper, trespasser
Definition: someone who intrudes on the privacy or property of another without permission
Synonyms: stranger
Definition: an individual that one is not acquainted with
Similar words: somebody, someone, soul, mortal, person, individual
Definition: a human being
Usage: there was too much for one person to do