How people from the Middle East see themselves in terms of nationality, ethnicity, religion

  How do people from the Middle East see themselves in terms of nationality, ethnicity, religion, and other forms of social and personal identity? In what ways are their identities influenced by migration and diaspora, and in what ways are other factors at play? How do their identities change over time and space? Is diaspora a defining element in their identities, or not? Why do you say that?