Kara George, Dr Arama Rata, Matthew Tukaki and Tautoko Witika spoke to The Hui.
They whakapapa to Korea, but te reo Māori is the language they love.
"For goodness' sake, go get yourselves tested. Better to be alive than too late."
Educator Paul Whatuira and the Mental Health Foundation's Michael Naera talk to The Hui.
The Hui's John Boynton meets the Māori challenging the system to make it better.