Dee ihe na-aga n'ihu maka paragraf a - Mgbe nyocha afọ na-aga n'ihu, e kwere ka Taher gaa n'ihu na-arụ ọrụ ya na mba ụwa na-eto eto na nke okenye. Izu atọ ka asọmpi World Youth Championships gasịrị, ọ gbara onye nke iri na ise na 3000 m steeplechase na asọmpi World Championships nke 2005. N'oge 2005-2006 n'ime ụlọ, o meriri ọla ọcha na 2006 Asian Athletics Championship na Pattaya ma mechaa nke iri na otu na 2006 World Indoor Championship na Moscow, ma na 3000 mita dị anya dị ka 3000 mita steeplechase adịghị asọmpi na ụlọ. O meghere oge 2006 n'èzí site n'ịmecha nke iri na itoolu n'ọsọ ndị na-eto eto na 2006 World Cross Country Championships
, na-enyere ndị otu Bahrain aka n'ebe nke ise n'asọmpi otu.