Personally, I think that Rust might be the language to look out for the most, because it enables a developer to become a super-developer by taking away all the hassle and fright of low-level development, while delivering a system-programming environment.
That means safe code, thread safety, etc. and it's all in the language (no extra stuff to learn). It's one of the few languages which do not try to study new things, but actually build on "old" studies to bring forth a new, better language. You might want to read Steve Klabnik's Blog as for why you should choose Rust instead of C, C++, C#, Java, Go, etc. under certain circumstances.