In your opinion, can someone trading without experience or knowledge?
I think this is the step 1 and step 2.
Everybody starts without any experience, that's why he start to do it to gain experience. Second is knowledge, while you are doing Trading, you're learning how it works, you'll be curious about how you'll make profits on it therefore you search for the solution to solve that problem. So yes, anyone could trade without any experience because that's going to be given in the process of getting to the part where a certain individual will become a professional trader.