Your last two steps are the ones that matter the most.
Learn about the role of each position, a list of things you should do if you're playing that position, and a list of attributes you need in each spot. Volleyball is played on a court with a net dividing the two teams. If you want to become a professional volleyball player for the money or fame. From both a research and coaching viewpoint, there exists no gold standard for training competitive volleyball players to improve all of the factors required to enhance player performance.