Jon M. Huntsman Sr. — billionaire industrialist, father of a presidential hopeful, four-time cancer survivor — has no patience for the Scrooges of the world. Even the philanthropist club of billionaires started by Mr. Huntsman’s friend Warren E. Buffett that is trying to enlist the world’s richest to give away half their wealth seems tight-fisted to him. “I suggested 80 percent,” he said. “A tremendous number of wealthy people haven’t given much of anything.”