One's personal affairs or immediate surroundings; matters relating to a person's private life or safety.
引っ越すので身辺の整理をしている。
I'm sorting out my personal belongings because I'm moving.
身辺に不審な点があればすぐ通報してください。
If you notice anything suspicious around you, report it immediately.
有名人は身辺の管理に細心の注意を払う必要がある。
Famous people need to take great care managing their personal affairs.