How to become a Millionare
You can probably become a millionaire by skateboarding all you need is a skateboard a couple ramps a few years of practicing and you will be all set.
I don't know if you know this but if you make a youtube account and get a lot of views on a video you can earn money.
Leading a group
You can start your own group and walk on the street to raise awareness for poverty of for homeless people. And maybe people will put some money your way.