At least one of the ways should work in Indonesia. For instance, you should be able to freelance there. You might not be able to use Fiverr there, of course. Also, whether or not you can use PayPal might be in question. To find out those answers, what I would do is go to their website and look at their policies, terms, and frequently asked questions (FAQ’s). If that doesn’t answer the question, contact them directly and ask. Good luck!
What has made PayPal so popular among both consumers and merchants, or clients and contractors, in this case, is that it is secure, allows for international payments and payments can be received almost instantaneously. When someone sends you a payment it arrives in your PayPal account within minutes compared to days when receiving an ACH deposit in your checking account or check by mail.