If someone was to learn arabic, which "arabic" should they learn?

I noticed that Qur'anic arabic is different to normal speaking arabic so I was just curious which arabic I should learn. People say that egyptian arabic is easier but I don't know! :(

Salam.
Update: edit: Hopefully, Insha Allah, I want to learn turkish, urdu and arabic. And then I want to learn french because I want to be a humanitarian worker when I'm older and Insha Allah one day I want to go onto the flotilla to Gaza. Ameen.
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