Thank you for this question! We consulted a gender-based violence expert in South Africa who recommended the following blog to answer your question:
https://www.saferspaces.org.za/understand/entry/gender-based-violence-in-south-africa
She also recommended some non-profit organisations in South Africa dealing with gender-based violence who you can reach out to if you want to get involved or just learn more!
1. SONKE GENDER JUSTICE
2. RAPE CRISIS CAPE TOWN TRUST
3. TEARS FOUNDATION