疯子 (fēng zi): Lunatic / madman (Noun) — Meaning & Stroke Order

That person is a madman.

Do you really believe what that self-proclaimed prophet, who is a lunatic, says?

He is not a madman; it's just that his way of thinking is vastly different from us ordinary people.

Ignore that madman; he always says strange things.

Although regarded as a lunatic by everyone, he still persistently pursued that seemingly absurd dream.