This is the 138th most frequent Korean word.
국가
"Nation" or "State."
Here, '국가' refers to 'nation', the political and geographical entity, particularly in the sense of serving one's country.
그는 국가를 위해 봉사하겠다고 결심했습니다.
He decided to serve the nation.
In this sentence, '국가' means 'state', used to describe the governing entity responsible for creating policies and laws.
국가는 국민들에게 안전한 생활을 제공해야 합니다.
The state must provide its citizens with a safe life.
'국가', in this context, indicates 'nation', encompassing cultural and societal identity as an inspiring theme.