Meanwhile, the governor has appealed to President Trump to intervene. The tribes and their leadership remain determined to protect their people. Harold Frazier, the Chairman of the Cheyenne River reservation, issued a statement that said it all: “We will …Meanwhile, the governor has appealed to President Trump to intervene. The tribes and their leadership remain determined to protect their people. Harold Frazier, the Chairman of the Cheyenne River reservation, issued a statement that said it all: “We will …