Hlonyana has a national diploma in sports management from the Durban University of Technology and a governance certificate from the University of Pretoria.[1] She joined the EFF in 2013.[1] She was a member of a branch command team and served as a coordinator of a sub-region. Hlonyana was also an organiser of the party's provincial command team in Gauteng.[1] In 2018, she was convener of the EFF's Chris Hani Region. Prior to that, she was the Alfred Nzo regional coordinator.[1] In 2019, she was elected to the EFF's central command team as an additional member.[2]
During her first term as an MP, she served on both the higher education and training and economic development portfolio committees.[1] She was elected to a full term in the 2019 general election.[3][4] Thereafter, she was appointed a member of the Portfolio Committee on Women, Youth and People with Disabilities.
Hlonyana was re-elected in the 2024 general election. She was then appointed a member of the Standing Committee on Appropriations and an alternate member of the Standing Committee on Auditor General. She resigned from parliament on 8 January 2025.[5]