[7] He fled his home as a teenager to Sudan, where the United Nations High Commissioner for Refugees became involved and referred his case on to third countries for resettlement.

[10] Omer says that his time in New Zealand began with cleaning and scrubbing floors;[11] this period included working as a cleaner at Victoria University of Wellington where he would study and earn a Bachelor of Arts in political science in 2016.

[17] In February 2023, Omer was one of four candidates vying for the Labour nomination in Wellington Central for the 2023 election after Grant Robertson decided to stand only on the party list.

[21][22] Omer expressed a desire to focus on racism, unequal opportunities, and issues facing low-paid workers during his time in Parliament.

[8] In December 2020, Omer joined Green Party MPs Golriz Ghahraman and Teanau Tuiono in pledging to form a new parliamentary Palestine friendship group to "raise the voices of Palestinian peoples in the New Zealand Parliament" during an event organised by the Wellington Palestine advocacy group to mark the International Day of Solidarity with the Palestinian people.