Peshat of the pesukim in chumash seem to be saying that. Vayivra Adam B'Tzelem Elokim, or Vayipach B'Apav Nishmas Chayim, are both talkiung about Adam, and Adam was not Jewish. And don't bring me "atem nikra'im adam", as that's a halachic principle, not applicable to the peshat of the text, which is talking about the specific person, Adam. Adam was not Jewish, he was not part of the Brit Sinai, and did not recieve the Torah. Furthermore, all humanity, including non-Jews, descend from him. To say that non-Jews don't have souls at all is to ignore chumash. Additionally, The Gemara in Sanhedrin 37a says "why was man created alone, to tell you that anyone who destroys a life, is as if he destroyed a whole world, and whoever saves a life, is as if he saved a whole world". The girsa that appears in our texts of a life "in Israel" is not in the yerushalmi version of the same mishna, and appears to be incorrect. The message about the importance of an individual's life is clear