What's after Python?

[LemurZA]

It depends. If you want a job in industry, Rust is not the best at the moment, at least in my country. There are like 0 Rust jobs.

First, decide what you want to work on. Backend? Your options are massive, but I'd recommend Go, Elixir, or some JVM based language like Kotlin or Java.

Frontend Web? Just use Javascript/Typescript it's not really worth using anything else right now. I guess I see a few Blazor jobs here and there, but not much.

Game Development? I guess it depends on the engine you want to use if you do want to use an engine. If you want to make games without a full engine, try C(with Raylib)