#stranger__alien__unknown  anyone who does not belong in the environment in which they are found
  supertype:  #intruder__interloper__trespasser  someone who intrudes on the privacy or property of another without permission
  subtype:  #foreigner__outsider  someone who is not a member of a group
     subtype:  #transalpine  one living on or coming from the other side of the Alps from Italy

No statement uses or specializes #stranger; click here to add one.