Wiktionary
fool-saint
n. A role model, or a figure in someone's life who is admired. A person who creates saint-like miracles, but those miracles amount to nothing.
Usage examples of "fool-saint".
But when I talk of a fool-saint I do not mean just some lolloping idiot who babbles of God instead of talking filth as they usually do.
But your life has been illuminated by your fool-saint, and how many can say so much?