[2] Napa was born on Mangaia and educated at Titikaveka School and Tereora College.

[3] She later played for and coached the Titikaveka Pearls,[4] and was part of the selection panel for the Cook Islands women's national cricket team.

In December 2019 she was part of a protest by women MPs to permit the wearing of ei katu (floral crowns) in Parliament.

[13] In February 2020 she was appointed Democratic Party spokesperson for Health, Environment, Justice, and the Trade and Investment Board.

[15] Napa was awarded an MBE for services to sport, youth and the community in the 2007 New Year Honours.