I need to know how start to become a profissional chess player so that i can participate in tournament I first tried to find someone the knows how to play but no one So i started looking through the web
You don't need to be a professional to participate in a tournament, you just have to sign up for the tournament (as long as it's not by invitation only or has minimum rating requirements). You may need to register with your national chess federation first.
As for becoming a professional, I'm not one but I guess the old "practice, practice, practice!" rule is a start. Of course, it also helps to start young, have talent and a good mentor.
You would probably need to be 2600+ and play alot of tournaments in order to make a living, and don't expect to get rich. Im from the netherlands though, and the price pool in most tournaments isn't as high as in the US for example.
I know several strong grandmasters who play poker because you can earn alot more. Even Nakamura used to play poker alot (though i'm not sure if money was the main reason there).
If you want to make a living in chess, you need to either be really good, or do coaching on the side.