Apparently being a "CEO" means something other than being a CEO.
Apparently being a real estate investor means something other than investing in real estate.
Apparently being a day trader means something other than day trading.
Apparently being a computer engineer means something other than knowing how to program (at any level).
If you cook some eggs, you're now a chef.
If you doodle in your notebook, you're now an artist.
If you change a tire, you're now a mechanic.
If you post in articles and happenings, you're now a political analyst.
There is a difference between someone who does X, and the professional title related to that activity.
If we are going by you and Mutahar's very liberal use of titles then I am a professor, ceo, investor, travel blogger, bodybuilder, chef, painter, game developer, 3d modeler, animator, home renivator, vigilante, surgeon, barber, photographer, ai researcher, political analyst, lawyer, hacker, martial artist, psychologist, computer scientist, pick up artist, dog trainer, and gunslinger.