Muru was a member of the Tainui tribe and was a nephew of Robert Mahuta. Muru served as the chairman of the Waahi Marae Committee and was a board member of the Auckland Warriors when Tainui controlled the club.[3][4]
In 2015, he was named at prop in Taniwharau's team of their first 70 years.[5]
Muru died at Waahi Pā, Huntly, on 15 May 2020, aged 69.[6][7]