Usage patterns
〈場所〉の隊員になるto become a member of a squad/team
He became a member of the Self-Defense Forces.
隊員として働くto work as a team/squad member
She works as a rescue team member.
隊員を募集するto recruit team/squad members
The fire station is recruiting new members.
隊員が出動するfor team/squad members to be dispatched
When an accident happens, the team members are dispatched immediately.