As a member of IPT, Claiborne took daily trips to sites where there had been bombings, visited hospitals and families, and attended worship services during the war.

[7] He went on to found The Simple Way—"a small organization supporting neighbors in building a neighborhood where... all belong and thrive"[8]—in 1998, with Joe Strife, Jamie Moffet, Brooke Sexton, and Michelle and Michael Brix,[9] fellow graduates of Eastern University, in Kensington, Philadelphia.

[10][11][12][1][excessive citations] In 2000s,[clarification needed (much too imprecise)]} he became board member for the nationwide Christian Community Development Association.

[13] In 2006, he published the book The Irresistible Revolution: Living as an Ordinary Radical, a plea for Christian voluntary simplicity and social justice.

[4] On June 20, 2007, a seven-alarm fire at the abandoned warehouse across the street destroyed The Simple Way Community Center where Claiborne lived.

[16] In June 2008, with Chris Haw, he visited churches and community centers in cities across the United States in a refurbished used vegetable oil fuel school bus, labeled "Jesus for President", to give talks on Christian social justice.

He withheld a portion of his income taxes meant to correspond to the percentage of the federal budget spent on the military, donating that money instead to charity.