A $579m Māori health and wellbeing package was revealed on Thursday as part of Budget 2022.
His comments come as ACT released its alternative budget, which would see agencies like Te Puni Kokiri - the Ministry of Māori Development abolished.
Seymour says he is proud of his whakapapa, after being called a useless Māori by Willie Jackson in regards to his advocacy.
The Infrastructure Minister emphasised the importance of having iwi involved in Three Waters, but said the ownership of the entities themselves would remain with councils alone.
The 2022 New Zealander of the Year Tā Tipene O'Regan sat down with Breakfast's Jenny-May Clarkson to reflect on his life's work and share his hopes for future.