Of the current widely accepted papabili, Peter Turkson is from Sub-Saharan Africa. He is softly pro-LGBT, and he seeks to harmonize the progressive homosexuality views with traditional African culture[0]. I don't think Robert Sarah is considered papabile, possibly owing to his message of hate for homosexuality. Overall, it's inconsistent with the recent message of the church, and it is hard to imagine that progressive Catholics would accept it.
Here's a Reuters list for possible Francis successors: https://www.reuters.com/world/who-might-succeed-pope-francis.... Usually, Reuters does thorough due diligence before releasing something. So I'd expect their predictions are accurate.
[0] https://en.wikipedia.org/wiki/Peter_Turkson