This is the 12465th most frequent Korean word.
당원가입하기
"당원가입하기" means "joining a political party."
The term '당원가입하기' refers to the act of joining a political party as a member, and in this sentence, it highlights the completion of such process performed by the subject.
저는 최근에 지역 당원에 당원가입하기를 완료했습니다.
I recently completed the process of joining the local party membership.
Here, '당원가입하기 위해서는' means 'to join party membership,' reflecting the requirement aspect of the process.
당원가입하기 위해서는 몇 가지 서류가 필요합니다.
To join as a party member, several documents are required.
In this instance, '당원가입하기를' indicates indecision regarding the action of becoming a party member.