Career
Schuster was from a prominent Samoan rugby family and though schooled in Wellington, he first represented internationally for Western Samoa in 1986. He scored a try and contributed to an outstanding team performance in a 32-7 victory. He was a first choice at second five eighth all through 1989 playing tests against France, Argentina and Australia, and making the abridged British Isles tour where he played in internationals against Ireland and Scotland.
All up he made twenty-six appearances for the All Blacks (ten Tests).
Schuster is an assistant coach for the Japan Rugby Union team In 1990 he was part of an All Black exodus to Rugby League along with John Gallagher, Matthew Ridge and Frano Botica.
He joined the Newcastle Knights in the New South Wales Rugby League competition playing 47 games and scoring 266 points from 1991–1993. He was a goal-kicker for the Knights (who had only been established in 1988), setting two early club records that were later beaten by Andrew Johns – greatest career points and most points in a season (152 in 1992).
1993 was an unhappy season for him with much of it spent in reserve grade and he shifted to English club Halifax and played there for some years.
He became a dual international at the 1995 Rugby League World Cup when he captained the Western Samoan team to a second-place finish in Group 3, though the team missed qualifying for the finals. Schuster played two games for Western Samoa during the World Cup. Schuster scored 22 points during the WC from 11 goals.
Schuster returned to union with Harlequins and gained 3 caps for Samoa in the 1999 Rugby World Cup scoring 17 points.