Sêartocaga was born and grew up in Sêrtolyk. He studied at the University of Sêrtolyk and after his study he moved to Sulzak, where he started his career as politician. He was the Aratkoma-izyrana from 1864 to 1869. After his period as Aratkoma-izyrana he moved back to Aratkom, where he continued his political career and got elected for the Nealçok just a few months later. He was a very popular member, and when Qiçpyr Lautara, the Eqêrnea of that time, suddenly died, he became the new Eqêrnea, supported by a vast majority.