Jordan Belfort is a person who made a lot of money by selling things that people didn't really need. He was really good at convincing people to buy things and making them believe that what he was selling was amazing. This is called being a salesman.
However, what Jordan Belfort did that was not good was that he sold things to people that they couldn't really afford, and he didn't tell them all the important information they needed to know about what they were buying. This is called being dishonest.
Because of this, Jordan Belfort got into trouble with the law and had to go to jail. This means that he had to go to a special place for bad people for a certain amount of time.
Now, Jordan Belfort has become famous because of a movie that was made about his life called "The Wolf of Wall Street". He talks to people about why it's important to be honest and not try to take advantage of others just to make money.
So, Jordan Belfort was a salesman who became famous for being dishonest and selling things to people that they couldn't really afford. He got in trouble with the law and had to go to jail, but now he talks to people about the importance of being honest.