One of the main ways to earn a cryptocurrency without investments and mining is to participate in the Bounty - companies and airdrop. Promoted personal blog on YouTube, if you have one, can also bring you a good income.
The fact is that you need to create your personal one, I bet, I Where all your works will be presented, If you can really create high-quality content or offer high-quality translation services. Lately, I have observed that such services are still good to do, Compared to other types of Bounty companies.