Omer has worked as a union organiser for E tū,[1] and as a community advocate,[2] including as chairperson of ChangeMakers Resettlement Forum.[10][4] For this work he was awarded an Absolutely Positively Wellingtonian Award by the Wellington City Council in 2019.[11] Omer was also involved in advocating for a living wage, especially for cleaners at Victoria University of Wellington.[12]