Haha I'd classify as hobbyist, I think.
But in truth, I don't think these classifications are very accurate. In fact I don't know of any professional who doesn't play for pleasure/fun at least part of the time. Nobody I know earns a living with it who doesn't mostly love what they do.
Take my dad for example: he definitely was all three rolled in one. He was passionate about music. He played for love, for a living and for fun. Even after he became too sick to do much else, he still managed to play every day until his very last moments. I guess we could say he needed to play to live, in addition to play for a living. My mom would have been more of an amateur hobbyist, with a touch of professional.
Still, I'd be very interested to see which forum participants are (aspiring) professionals so thanks for starting this topic š