The popular singer is using his own experiences to inspire young Kiwis through his work with Youthline.
Cancer Society's medical director believes more government funding is crucial help the 60 Kiwis a day diagnosed with cancer.
Jane Stevens, says it should be the Minister of Health who should be resigning.
"I'm sure he saved lives with the work that he's done," the Prime Minister said.
Mr King is a long-time anti-suicide campaigner, but he says the government's Draft Suicide Prevention plan is doomed to fail.
Some kids in need will even "sleep in those raincoats because it's the warmest thing they've got".