Speaking more than one language is actually not as common as you might think. People that live in countries that have multiple languages spoken within them often assume that this is how things are in the rest of the world as well, but quite contrary the vast majority of people that are currently living in this world only ever need to speak a single language to get by at this current point in time. Hence, if you speak more than one language, suffice it to say that you can profit from this rather immensely.
Having a strong command of two or more languages can make it so that you can offer translation as a service, and as a result of the fact that this is the case you should definitely read more about it so that you can start profiting from it sooner rather than later. However, before you can start earning a reasonable level of income from your provision of translation services you would need to first and foremost figure out how you can go about marketing these services without a shadow of a doubt.
Not having any customers means that your language skills will be going to waste, and our main recommendation here is that you should consider putting up a few ads on social media. This can create a situation wherein a large number of people would start to pay attention to what you are offering. You also need a strong social media presence in general, so try to make accounts for your business and make sure that your various profiles are up to date. Remember that it will be a very long and slow journey to success.