Arena Williams is a Member of Parliament representing the Manurewa electorate, affiliated with the Labour Party [8][10].
Williams has held the Manurewa seat since 2020 [8]. According to a single reputable secondary source, she is also listed as a 2026 candidate for NZ Labour [5].
Prior to entering politics, Williams is reported to have worked as a lawyer [2][3], and also as a community organiser, according to a single reputable secondary source [1]. From 2023, she has been recorded as a director of Te Manu Rewa o Tamapahore Trustee Limited, a trustee services company, according to a single reputable secondary source [4].