Wendy Cadge is an associate professor of sociology at Brandeis University in Waltham, Mass. She has written widely about homosexuality and Christianity, especially as it pertains to mainline Protestantism.

Kevin Bales is a sociologist and co-founder of Free the Slaves, a nonprofit and sister organization to the U.S. Anti-Slavery International. He has written articles about human trafficking, stating that it could be eliminated if governments would enforce their own anti-slavery laws, spend money on the effort and increase public awareness about the problem.

Margaret A. Farley is the Gilbert L. Stark professor emerita of Christian ethics at Yale Divinity School in New Haven, Conn. She is Catholic and has written widely about Christian sexual ethics.

Luis CdeBaca is ambassador-at-large for the State Department’s Office to Monitor and Combat Trafficking in Persons. He is a former prosecutor and received an award for his work as lead trial counsel in the largest slavery prosecution in U.S. history, in a case involving a garment factory in American Samoa.

Read an Oct. 28, 2005, Associated Press article about Pope Benedict XVI condemning human trafficking for sex and calling for the humane treatment of women migrants.

Read a Dec. 15, 2005, Washington Post article about a focus on johns and pimps in the battle against prostitution.

Read a May 22, 2013, article in The Guardian about the Catholic Church’s fight against proposed budget cuts in the United Kingdom’s legal aid system. The church says the cuts would limit assistance for victims of human trafficking.

Read a May 23, 2013, article about the human trafficking problem in Wisconsin and commentary on the film, Not Today, that portrays the violence and devastation of the lives of those forced into the slavery.

Bishop James Stanton of the Episcopal Diocese of Dallas has been active nationally and internationally in the Anglican debate over the role of gays in the church. He was involved in the founding of the American Anglican Council, which works to oppose the ordination of sexually active gays and lesbians.