do what other people in other countries do.

earn bitcoin through different ways like mining bitcoin or mining altcoins, you can earn bitcoin as an individual by offering services, and many other ways.

you can buy bitcoin and use it as a currency.
if you have a business of your own like a sandwich shop, you can start accepting bitcoin and spread the word.
if you are a customer you can ask them to start accepting bitcoin and show them how easy it is and introduce them to bitpay.