Just look around the forums and see what looks like fun, then leap in! Some people read, some people 'proof-listen', some folks actually like editing (!!), some people pick books to process and organise the sharing-out of chapters, some people translate instructions so ever more people can participate .... And that's just off the top of my head -- hopefully you'll find something you really enjoy here too!
There's honestly no such thing as a stupid question -- but I'm afraid I can't rule out giving a stupid answer : : To Posterity and Beyond!
Salam Mohamed, and welcome!
If you're into recording, you might find some interest in this thread or that one.
Cheers,
Ezwa
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