This is the 13265th most frequent Korean word.
들러리가
"들러리가" means "bridesmaid" or "a supporting role."
In this sentence, 들러리가 refers to the role of a bridesmaid, which is someone who assists the bride during her wedding.
결혼식에서 그녀는 신부의 들러리가 되었다.
At the wedding, she became the bride's bridesmaid.
Here, 들러리가 metaphorically describes being in a secondary or supporting position in an endeavor.
그는 프로젝트에서 들러리가 되는 것을 싫어한다.
He dislikes becoming a secondary role in the project.
In this example, 들러리가 indicates a supporting role or someone less central to the activity or attention.