godan verb (-su), transitive verb
put oneself forward; risk one's life; volunteer bravely
Rare literary verb. Conveys stepping forward boldly, often at personal risk. Modern Japanese more commonly uses 身を挺する or 身を挺して.
See also: 挺する
彼は危険を顧みず、挺して救助に向かった。
He risked himself and went to the rescue, heedless of the danger.
「身を挺する」という表現のほうが現代では普通だ。
The expression 身を挺する is more common in modern Japanese.