 He has been the subject of three separate successful upper house no confidence motions, moved by the Liberal opposition and supported by the crossbench.Hunter was appointed to the Weatherill Ministry cabinet in October 2011 and served in a range of ministerial portfolios until the 2018 state election including communities and social inclusion, social housing, disabilities, youth, volunteers (2011 to 2013), sustainability, environment and conservation, water and the River Murray and climate change (2013 to 2018), and aboriginal affairs (between 2013 and 2015).Hunter is the first openly-LGBTI member in the Parliament of South Australia, as well as Cabinet, as well as the first to marry while in parliament and the second same-sex married politician in Australia, and is noted for his public advocacy for LGBT issues, which at times has conflicted with aspects of Labor policy.