If you want to play hockey, go get a hockey stick and puck and go play.
If you want to build a house, go read the building code and build a house.
If you want design websites, download Paint.NET and start painting.
If you want to write for a newspaper, start writing articles and submitting them to as many newspapers as you can (or start your own blog).
If you want to draw comics, get some paper and pencils, start drawing and publish your own comic.
Now, are you the super professional that everyone will look to for guidance? Probably not, you’ve just started and that’s the point, if you want to get to that level it takes time and effort, how much – completely up to.
But if you want the answer to what do I need to do to be ______________, it’s just to Start.