On 22 March 2013, he commanded the 1000 Seleka rebels from Damara and Sibut to participate in Battle of Bangui.
[5][4] On 20 August 2013, he arrested ten looters wearing military uniforms who stole mattresses, televisions, suitcases, and medicines.
[8] In the same month, he signed the agreement with the government on behalf of ex-Seleka that allowed the authorities to transfer former Seleka's members to encampments in Sibut before returning to their origins.
[12] Due to the tension with Ahaba, Aubin founded PRNC on 28 May 2019 in Tiringoulou and designated Nourd Gregaza as the group's leader.
Aubin and MLCJ's chief of staff, Ali Abderahmane, prepared and commanded the attack in Birao, Tissi, and Am Dafok.