Member of the Free State Provincial Legislature
Mahasa was born in Maokeng, Kroonstad in the Free State. She matriculated from Calculus High School. She earned a qualification in Advanced Governance and Public Leadership from the University of the Witwatersrand and a competence certificate on strategic diplomacy from the University of Johannesburg. Mahasa was an ANCYL branch executive committee member, and a member of the ANCYL regional executive committee in the Fezile Dabi region. Mahasa was also the secretary of an ANC Branch Executive Committee. In 2014, Mahasa was elected to the Free State Provincial Legislature.