Passing: The act of a person classified as a member of one racial group being accepted as a member of a different racial group, particularly in a context of racial segregation.
Double consciousness: A term coined by W.E.B. Du Bois to describe the internal conflict experienced by subordinated or colonized groups in an oppressive society.
Tragic mulatto: A stereotypical character in literature who is biracial and often depicted as a victim of society's racial structures and their own internal conflicts.