Yes it's possible, as long as there's online businesses the driver can do while still doing his offline job as a driver,
For example, if the driver was lucky to know bitcoin as earlier as maybe 2010, and invested all his life savings, and also introduce many people into it, also willing to do other online businesses that have a lot of bonuses when you refer or register someone through your link, my dear, there's a lot of chances for him to be richer than his master that pay him offline salary, if he invest wisely and have focus, there's a hope.