n.anyone who does not belong in the environment in which they are found

同義詞：alienunknown

Strangers From a Different Shore. A History of Asian Americans.
Talking To Strangers: Authentication in Ad-Hoc Wireless Networks
Meeting Strangers and Friends of Friends: How Random Are Social Networks?
Cosmopolitanism:ethics in a world of strangers
Cosmopolitanism: Ethics in a World of Strangers
Learning for strangers: the art and method of qualitative interviews studies
Learning from strangers: The art and method of qualitative interview studies.
Saving Strangers: Humanitarian Intervention in International Society by Nicholas J. Wheeler
Cosmopolitanism: Ethics in a World of Strangers by Kwame Anthony Appiah
Access control meets public key infrastructure, or: assigning roles to strangers