It is very important for every person to have a regular and steady income for living a healthy and quality life. So in this case I think everyone needs to have a steady income, if that person does not have to face any complications in trading or any investment or gambling. But that doesn't mean that he can't gamble if he doesn't have regular or steady income. Because even if he does not have a regular income, if he can afford gambling money, then I don't see anything bad there. But if you think from the other side, those who do not have a regular or steady income will have less money for gambling, in that case if that person is addicted then he will go into debt by gambling.