To help start the discussion
Here is an article about best Ghanaian lyricists, am not sure if it is the same as rappers though.
Click for the article

Obrafour by far. That guy's lyrics are crazy, half of the time I don't understand what he is saying. He has great rhythm too

When it comes to lyrics, flow, personallity, Samini is third on the list of the best rappers in Ghana. I mean Obrafour is among all the rappers in Ghana the best. Whenever you listen to Samini's lyrics, you'll find out that his lyrics have great storylines, good rhyming and they make sense.

Kpoei, keep up the good work

how can you even forget okomfour kwaadee? ask a lot of cats out there, they'll tell you he's the best. okyeame kwame is good too, okyeame kofi cannot even shine his shoe though