Oh wow bro, those are quite some experiences. I totally agree with your move. Living in a foreign country and always worrying about visa situations can be quite stressful especially if you are also struggling to find opportunities and make a living. I had visa issues in Dubai especially when changing jobs, it's a total headache.
I have heard some crazy things about South Africa so am wishing you the very best as you move to a place of freedom. Find your peace of mind, most times it's better than money. I am looking forward to hearing more on your experiences in South Africa, am sure myself and others are learning from what you went through. Have a great Wednesday ahead :}