Te Ahiwaru hails from the East Coast township of Te Araroa. From 2015 to 2016, Te Ahiwaru played in the St Kentigern’s 1st XV team as number 8.In 2016 he joined the Crusaders Academy - Nelson and was chosen in the NZ Maori U18 Development Team. An aggressive ball runner, Te Ahiwaru made his Mako debut in 2017 and came off the bench in the 2019 Mitre 10 Cup Premiership victory. In 2020 Te Ahiwaru played all 12 matches in the NPC Premiership winning campaign.