 He served as Speaker on subsequent occasions, but by the fourth session regarded himself as 'leader of the opposition' in the Kotahitanga parliament.There were no organised parties within the movement, but his chosen role was to provide opposing arguments on debated issues.As a member of Te Kotahitanga, Tomoana presented to the native minister in June 1893 a draft Federated Māori Assembly Empowering Bill, and a petition listing Māori grievances.