Asked if Mr. Abbas was doing enough for the people of Gaza, he yelled, “No, no, no!” He said Mr. Abbas was negotiating with no result and was complicit with Israel in the attacks on Hamas. The Israelis will negotiate seriously only with a partner they respect, he said.

“The only right thing is resistance,” Mr. Hanaisheh said. “If there is no resistance against the occupation, there is no Palestinian cause. But if you resist now, everyone says you’re Hamas, and it’s wrong!”