The fit-again Inverness wideman is determined to help the administration-hit Highlanders stay in League One as they get set to host champions Arbroath.
The defender played almost 600 times for the Highlanders, and has played and managed Brora Rangers and Nairn County in the Highland League.
A potential stadium move has been touted - and it could provide a much-needed fresh start for the Inverness club.
Despite three defeats against the champions, Inverness target a win which could keep them out of the League One relegation play-off spot.
Brewster refused to give up on his career of being a full-time professional and now he is helping youngsters chase their dreams in England.
The cup final berth can help Dons boss Jimmy Thelin keep his players focused on the race for Europe, writes Duncan Shearer.
