étranger, étrangère
To say hi in French it's: Salut (Sal oo)hope that helps!
Vous avez..... ? (for a stranger or someone older than you) or Tu as..... ? (for a good friend)
Et bonjour a toi (or Bonjour a vous if they are your superior or a stranger)
In the 1942 book, "The Stranger" by Albert Camus the stranger is Meursault, a French Algerian.
French
belle inconnue
Do you speak French? This is a formal statement, meaning you would say it to a stranger, someone of higher status, or someone older than you.
Desconocido or extraño.
Tagata ese
Malihini means stranger in Hawaiian, but is technically a person who is a newcomer, or stranger among Hawaiians. Translation would be Malihini, kakanaka 'e
étranger is a more generalised word, which is also used for "stranger" or "foreigner"if you are specifically talking about an alien from space, you would say: un/une extraterrestre
The adjective for "stranger" is "strange" - for example, "I met a strange person on the street."