During her military service, she completed 12 years of schooling.
Her name "Tahounia" derives from the word meaning "staying for a prolonged term" in Amharic. Rubel moved to Israel with her family when she was three, under the widely known immigration drive called Operation Solomon. She served as a Driving Course Instructor in the Logistics Corps of the Israel Defense Forces.
In 2012, Rubel went to London, where she lived for eight months in a models apartment.
She has since led campaigns for familiar designer brands in London, including Sleek Makeup, MAC Cosmetics and Diesel for Glamour magazine. She has also been likened to a young Iman.
She subsequently represented Israel at the World Supermodel Pageant in Fiji, but missed a place in the final. Roni Maili, one of the houseguests in the show who was eliminated later because of aggressive behavior, made racist comments about her.
In September 2013, Rubel participated in a special fundraiser broadcast of Latet on Channel 2 and she was chosen to voice-over an animated character in a television commercial for Klik of Unilever company.
In October 2013, Rubel was invited with her family to the president"s residence, where President Shimon Peres held a salute ceremony honoring Ethiopian Jews in celebration of Sigd. The same month, she performed Eyal Golan"s song Kol HaHalomot (Hebrew: כל החלומות, "All The Dreams") on the Israeli reality television program HaKokhav HaBa (the Israeli version of Rising Star). A 45-minute documentary film about Rubel, Tahounia - By Herself, was produced by Galit Gutman.
lieutenant reveals Rubel"s most intimate moments in the span of eight months and tells about her tough childhood, until entering the HaAh HaGadol (the Israeli version of Big Brother).
The documentary was broadcast on May 15, 2014 on Channel 2 to 611.3 thousand viewers and it was the second highest rating for that day. A few days later it was broadcast in Europe and the United States on the Israeli Network.