stranger

1. Anyone who does not belong in the environment in which they are found (synset 110680441)
   is a type of: interloper, intruder, trespasser - someone who intrudes on the privacy or property of another without permission
   subtypes: foreigner, outsider - someone who is excluded from or is not a member of a group
   same as: alien, unknown
2. An individual that one is not acquainted with (synset 110680655)
   is a type of: individual, mortal, person, somebody, someone, soul - a human being

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