Born in Tonga, Napa'a moved to New Zealand where he was educated at Marlborough Boys' College. Napa'a made his debut for Tasman against Bay of Plenty at Trafalgar Park in a non competition match, coming off the bench in a 26–9 win for the Mako.[1] The side went on to make the premiership final before losing 23–20 to Waikato. He was named in the squad for the 2022 Bunnings NPC as a development player.[2]
