@QW, they dont have to sell someone‘s stake. If for instance they have 100m shares (after split of course) they decide to introduce an equal number so that everyones share reduces proportionally.
Considering that no new comer will be able to gather much to give them competition, the line up will pretty remain the same at the top.
African parents don't know how to say sorry.. the closest you will get to a sorry is a 'have you eaten'