Just a kid with a computer here. I am familiar and have reached a reasonable level of fluency with javascript and python, with typescript being a somewhat satisfying switch I made.
It’s been 4 years, I haven’t touched another language. I wanna study something future proof and genuinely helpful. The reason I never went beyond js and py was because I already had everything I needed, I could make anything I wanted. I really want to dip my toes in the strong programming waters.
Can you suggest a language?
No problem. In another comment I saw that you said you “[n]ever wrapped [your] head around dot net”. If that’s the case, I would suggest you looking into it (or something similar) before going into the more advanced (functional programming, C/C++/Rust) route. You can try to implement a backend in C# to one of your projects and see how .NET works (BTW you need to be looking at .NET Core, not the older .NET Framework stuff. Anything after .NET 5 is fine). Or you can try implementing a Lemmy/kbin clone. İn my experience, completing a project is critical to learning. Of course everybody learn in a different way, and you know you better than anyone else.
One last note: learning different languages is not really that important unless the language changes the way you think. Again, good luck :)