This is the 3327th most frequent Korean word.
나서며
"나서며" means "as (someone) steps forward" or "while taking action."
In this sentence, '나서며' means to take initiative or to step forward actively to assist.
그는 친구를 돕기 위해 나서며 해결 방법을 찾았다.
He stepped forward to help his friend and found a solution.
Here, '나서며' is used to describe someone taking action to affect the mood of a gathering.
모임의 분위기를 밝게 만들기 위해 나서며 농담을 했다.
To brighten the atmosphere of the meeting, he stepped forward and made jokes.
In this case, '나서며' signifies taking a proactive stance in contributing to the work or leadership in a group setting.