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to save; to rescue; to spare
to help; to assist
to support (financially); to contribute (to); to provide aid
to facilitate; to stimulate; to promote; to contribute to
彼は溺れている子供を助けた。
He saved a drowning child.
困っている人を積極的に助けたいです。
I want to help people in trouble.
困った人を助けるのは当然だ。
It's natural to help people in trouble.