These are my suggestions, some more specific and other more general on the topic:
Gillespie, A. (2006) Becoming Other. Greenwich: Information Age Publishing.
Kitzinger, S. & C. Wilkinson (1996) “Theorizing Representing the Other,” in C. Wilkinson and S. Kitzinger (eds.) Representing the Other: a Feminism & Psychology Reader, London: Sage.
Purkayastha, B. (2005) Negotiating Ethnicity. Second-Generation South Asian Americans Traverse a Transnational World, New Brunswick, NJ: Routledge University Press.
Song, M. (2003) Choosing Ethnic Identity. Cambridge: Polity Press.
Waters, M. (1990) Ethnic Options. Choosing Identities in America. Berkeley: UCP.
Perhaps you need to consider decolonial theory instead. Check this please:
Mignolo, D. Walter. “Decoloniality and Phenomenology: The Geopolitics of Knowing and Epistemic/Ontological Colonial Differences” The Journal of Speculative Philosophy, Vol. 32, No. 3, SPECIAL ISSUE WITH THE SOCIETY FOR PHENOMENOLOGY AND EXISTENTIAL PHILOSOPHY (2018), pp. 360-387