One of the best ways to be involved is to be educated on the topic of human rights. Here are some excellent suggestions to get you started. You can also read research conducted by Hagar here.
This Immoral Trade: Slavery in the 21st Century, by Baroness Cox (Monarch Books, 2006).
Not for Sale: The Return of the Global Slave Trade – and How We Can Fight It, by David Batstone (HarperOne, 2007).
Half the Sky: Turning Opression into Opportunity for Women Worldwide, by Nicholas D. Kristof & Sheryl WuDunn (Virago Press Ltd, 2010)
The Kite Runner, by Khaled Hosseini (Riverhead Trade, 2004)
Transnational Crime and Human Rights; Responses to Human Trafficking in the Greater Mekong Subregion, by Susan Kneebone and Julie Debeljak (Routledge, 2012)
God in a Brothel: An Undercover Journey into Sex Trafficking and Rescue, by Daniel Walker (Intervarsity Press, 2011)
Virgin Trade Evades Law, Phnom Penh Post, by Clare Knox, Sept 2012.
Current Statistics on Human Trafficking and Slavery, compiled by Hagar Australia May, 2013.
Hagar Partners with UNHCR on New Refugee Assistance Initiative, Aug 2012.
Nefarious: Merchant of Souls by Exodus Cry, 2011.Released in 2011, Nefarious: Merchant of Souls is a hard-hitting documentary that exposes the disturbing trends of modern-day sex slavery. From its very first scene, Nefarious provides an in-depth look into the human trafficking industry, showing where slaves are sold (often in developed, affluent countries), where they work, and where they are confined (http://exoduscry.com/film/).