From 1914 to 1917, Mryasov was a member of the board of the Union of Cooperatives of Orenburg. From May 1917, he was a member to the Bashkir Oblast Bureau.[1]
In December 1917,[1] he became a member of the Autonomous Bashkir Government, where he was responsible for the spiritual affairs of the autonomy,[2] and member of the Kese Kurultai (Little Kurultai) and the Grand Mufti of Bashkurdistan. In the same year, he also was a delegate at the First All-Russian Muslim Congress. He was also among the organizers of the All-Bashkir Kurultais.[1]
During the 1918 Assembly of the Bashkir Spiritual Administration, Mryasov was the Acting Chair. From 1918 to 1920, he led the republic's statistics.[2]
In 1918, he additionally became an editor to the newspapers "Muhbir" and "Bashkorto".[2]
In July 1918, Mryasov founded and headed the Irkutsk department of the Bashkir Military Council and the 4th Bashkir Infantry Regiment. On 3 October 1918, he raised the issue of appointing imams in the Bashkir Army.[4]
From February 1919, he worked in the agitation and educational department of the Military-Revolutionary Committee of Bashkortostan.[4]
During the Great Terror, he was repressed, and labelled a nationalist bourgeois.[5]
Outside politics, Mryasov was a writer, historian, translator, and folklorist. At some point, he became the first ever to translate the 7 poems of Salawat Yulayev to Bashkir. In the 1920s, he did science and taught Bashkir history, literature, language, and folklore. He was also among the co-creators of the modern Bashkir alphabet.[6]
Mryasov died in 1932 in Sterlitamak.[6]