If one has good knowledge and ready to take some risk sin crypto then are lot of opportunities existing in investing and say trading as well. So if you can upgrade their skills then surely they can take advantages of this and make money for themself.
skills will increase when he has enough experience. trade and investment cannot be learned only from books and by sight. do real on multiple assets. try with your analysis with a low value. because each asset has a different character for trading and investment.