A21 is an organization whose purpose is to reach, rescue, and restore victims of human trafficking all over the world. The Walk For Freedom is their largest yearly awareness and fundraising event. It takes place in hundreds of cities all over the world, including Pittsburgh. 
Register anytime at http://www.a21.org/Pittsburgh
Walk that morning with Pastor Max Keisler and Thrive young adults. Meet at  Station Square Parking Lot East. (Parking is $5 for two hours.) Stay up to date on all the details on the Facebook event page