This is the 5727th most frequent Korean word.
벌인다
"To set up, start, or carry out (an activity or event)."
In this sentence, '벌인다' is used to convey the start or initiation of an activity or venture, namely starting a business.
그는 새로운 사업을 벌인다.
He starts a new business.
Here, '벌인다' indicates arranging or holding an event, in this case, a street performance.
그들은 길에서 공연을 벌인다.
They perform on the street.
The verb '벌인다' in this sentence describes organizing or hosting a party or celebratory gathering.