guardian angel

American  

noun

1. an angel believed to protect a particular person, as from danger or error.

2. a person who looks after or is concerned with the welfare of another.

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Etymology

Origin of guardian angel

First recorded in 1625–35

Example Sentences

She is at once guardian angel and angel of death, watching over hallowed ground while carrying a tool of invasive modernity with her.

From The Wall Street Journal

What’s it like to be the guardian angel of people who text while driving?

From The Wall Street Journal

"They sent me a guardian angel that day," he said.

From BBC

Ecclestone, a former second-hand car dealer, recognised a kindred spirit and was a kind of guardian angel at times as Jordan navigated the choppy waters of being a privateer team owner.

From BBC

“Our patron saints and guardian angels, pray for us,” they intoned together.

From Los Angeles Times