This is the 1977th most frequent Japanese word.
なろ
"なろ" is not a standalone word in Japanese; it may be a colloquial or abbreviated form depending on context, such as from "なる" (to become).
In this sentence, 'なろう' is the volitional form of 'なる' (to become), expressing intention or determination about what one wants to become.
彼は医者になろうとしている。
He is trying to become a doctor.
Here, 'なろう' indicates a hypothetical or potential situation in the future, as part of the grammar structure '～になろうとも', meaning 'even if (something) becomes (something)'.
どんな未来になろうとも、自分を信じてください。
Regardless of what the future becomes, please trust yourself.
In this example, 'なろうとしている' is used in a construction to depict an ongoing attempt or endeavor to bring about improvement or change.