knight in shining armor

Idioms  

1. A rescuer or defender, as in What this political party needs is a knight in shining armor to change its tarnished image. This metaphoric expression alludes to a medieval knight. [Mid-1900s]

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Example Sentences

They were also there to show solidarity with a determined American who had been leading the estate’s renovation and who was described by at least one attendee as “our knight in shining armor.”

From The Wall Street Journal

Like so many women, she never thought it could happen to her — until she met her “knight in shining armor” on a dating app.

From Los Angeles Times

“We’re usually the knight in shining armor, but we can’t be that now,” said Lauff, a Democrat.

From Seattle Times

Kiffin is, and always will be, a total blight on USC football, so why make him out to be this knight in shining armor?

From Los Angeles Times

Throughout that prolific history, she’s often kidnapped by the villainous Bowser, king of the rival Koopa Kingdom to Peach’s Mushroom Kingdom, and needs rescuing from Mario, a working-class, blue-collar plumber reimagined as a knight in shining armor for the industrial age.

From Washington Post