 Several prominent Weiquan lawyers themselves identify with the underground Protestant movement , and have sought to defend church members and leaders facing imprisonment . These include Zhang Kai , Li Heping , and Gao Zhisheng . Former house church leader Bob Fu 's US @-@ based organization " <unk> " has sponsored legal cases , and provided " rule @-@ of @-@ law training " and legal help for distressed clients in China . 
