1.
oneself; one's own body; one's own person
A somewhat literary or emphatic way to refer to oneself or one's own body, often used in contexts of self-reflection or self-sacrifice.
我が身を振り返る。
To reflect on oneself.
我が身の安全を守ることが大切だ。
It's important to protect one's own safety.
他人事だと思わず、我が身に置き換えて考えてみてほしい。
I'd like you to think about it as if it were happening to you, not dismiss it as someone else's problem.
A literary or emphatic expression. Common set phrases include 我が身を顧みず (without regard for oneself), 我が身に置き換える (to put oneself in someone else's shoes), and 我が身を犠牲にする (to sacrifice oneself). The 我が pattern is a classical possessive form meaning "my" or "one's own," also seen in 我が家 (one's home) and 我が国 (our country).