This is the 14141st most frequent Korean word.
멤버로
"멤버로" means "as a member" in English.
멤버로 is used here to indicate her membership role within the band.
그녀는 밴드의 멤버로 활동하고 있어요.
She is active as a member of the band.
멤버로 here specifies the role that Mr. Kim is assuming in the context.
새로운 팀 멤버로 김씨가 추가되었어요.
Mr. Kim has been added as a new team member.
멤버로 describes his position and role in relation to the project.