#entrant.traveler  someone who enters; "new entrants to the country must go though immigration procedures"
  supertype:  traveler__traveller  a person who changes location
  subtype:  intruder__interloper__trespasser  someone who intrudes on the privacy or property of another without permission
     subtype:  boarder.intruder  someone who forces their way aboard ship; "stand by to repel boarders"
     subtype:  gatecrasher__unwelcome_guest  someone who gets in (to a party) without an invitation or without paying
     subtype:  infiltrator  an intruder (as troops) with hostile intent
     subtype:  invader__encroacher  someone who enters by force in order to conquer
     subtype:  penetrator  an intruder who passes into or through (often by overcoming resistance)
     subtype:  prowler__sneak__stalker  someone who prowls or sneaks about; usually with unlawful intentions
     subtype:  pusher__thruster  one who intrudes or pushes himself forward
     subtype:  squatter  someone who settles on land without right or title
     subtype:  stranger__alien__unknown  anyone who does not belong in the environment in which they are found
        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

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