Final answer:
According to O'Brien, lesbian and gay Christians need to explain and defend themselves to other Christians and other lesbians and gays.
Step-by-step explanation:
According to O'Brien in "Wrestling the Angel of Contradiction," lesbian and gay Christians often need to explain and defend themselves to other Christians and other lesbians and gays. They may face skepticism or prejudice from individuals within these groups who hold differing beliefs about homosexuality and Christianity. It is important for lesbian and gay Christians to find support and understanding within their own faith communities, as well as among other lesbians and gays.