If your primary source of income is derived from Poker and that is how you support yourself and your family, then you are a professional poker player. That is your profession on your Tax Form, etc..
Anything else you are a Recreational Player. You still may be a winning player, but it is not how you earn a living. Now if you have savings or a trust fund, which allows you to play poker everyday. You might be on your way to being a professional.