stranger stranger /ˈstreɪndʒɝ/

noun

1. () Anyone who does not belong in the environment in which they are found  ( alien , unknown , stranger )
   anyone who does not belong in the environment in which they are found
     The curious stranger struck up a conversation with the local townspeople.
   The curious stranger struck up a conversation with the local townspeople.
   
2. An individual that one is not acquainted with  ( stranger )
   an individual that one is not acquainted with