im native speaker from Egypt. but I can speak almost all dialects. If you are confused which arabic you want to learn I can help you with my personal mix that i have made in both the scchool where i work and in my material. . I have degrees in : Arabic , English and education from both Cairo University  and the british council. perhaps my Polish is not the best, but i have theoritical background of the mother tongue interferences p olish studenrs have after  teaching arabic in poland for 5 years. I have worked also as translator. so i can help you if you want to learn: classical, Msa, spoken or my special mix of spoken and standrad, or even if you want to learn arabic for business. I have been worlking in finding rules of spoken arabic that might not be found in any books and can help you understand what people say and can help you narrow the gap between the standard version and the spoken version.