Kabelo graduated from UCT with a BA degree (majored in Literature and Political Thought), Rhodes University with a LLB degree and from Stellenbosch University with a LLM degree in International Trade Law. He completed articles at a boutique law firm in Cape Town.

Kabelo completed pupillage with the Pretoria Society of Advocates in 2018 and practiced for three years at the Pretoria Bar before joining and taking up chambers with the Tshwane Society of Advocates in 2020. Thereafter, he joined the Johannesburg Bar in 2025.