This is the 3064th most frequent Japanese word.
一員
"一員" means "a member (of a group or organization)."
In this sentence, '一員' is used as 'a member,' referring to someone's inclusion in a group or organization.
彼はこの団体の一員です。
He is a member of this organization.
Here, '一員' expresses becoming part of a team, highlighting inclusion.
新しいチームの一員になれて嬉しいです。
I'm glad to become a member of the new team.
In this sentence, '一員' denotes being a contributor or participant in a larger community or society.