What does it mean to be rich? How does one become rich?

Commonly, being rich means having a lot of money or property. Most rich people usually have a social power and a social reputation and the person who a lot of money or property are the privileged class. Maybe many people in the world hope to be rich because they would think that it makes them more happy. That is why they work very hard. If so ,how to be rich? In my opinion, it is important to be deligent in order to be rich. Becasuse most deligent people are enthusiastic about working. Also, have a wide human network! It helps you to get information how to make money from them. There are some ways to be rich by wining a lottery or playing gambler. However, these cases are very rare.