Explore the history of covenant in Unitarian Universalism by reading The Lay and Liberal Doctrine of the Church: The Spirit and the Promise of Our Covenant, the 2000-2001 Minns Lecture by Alice Blair Wesley.
More information on Unitarian Universalists' commitment to avoid cultural misappropriation can be found here.
Read more of Eboo Patel's story in his book Acts of Faith: The Story of an American Muslim, the Struggle for the Soul of a Generation (Boston: Beacon Press, 2008).
Find more activities like that in Activity 3, Whose Story Is It? in Augusto Boal's book Games for Actors and Non-Actors (New York: Routledge, 2002). For a more theoretical understanding, read Boal's Theatre of the Oppressed (New York: Theater Communications Group, 1979).
Learn about a variety of religions and their practices in How to Be a Perfect Stranger: A Guide to Etiquette in Other People's Religious Ceremonies Vols. I and II, Arthur J. Madida and Stuart M. Matlins, eds. (Woodstock, VT: Skylight Paths Publishing, 1999).