'Madman' in the Bible

so he pretended to be insane in their presence. He acted like a madman around them, scribbling on the doors of the gate and letting saliva run down his beard.

Achish told his officials, "Look, you see a person acting like a madman. Why'd you bring him to me?

Am I lacking madmen that you bring me this one to act like a madman around me? Shall this one come into my house?"

And Jehu hath gone out unto the servants of his lord, and one saith to him, 'Is there peace? wherefore came this madman unto thee?' and he saith unto them, 'Ye have known the man and his talk.'

Again the watchman reported, “He reached them but hasn’t started back. Also, the driving is like that of Jehu son of Nimshi—he drives like a madman.”

Like a madman who throws flaming darts and deadly arrows,

‘The Lord has appointed you priest in place of Jehoiada the priest to be the chief officer in the temple of the Lord, responsible for every madman who acts like a prophet. You must confine him in the stocks and an iron collar.

The prophet is considered a fool -- the inspired man is viewed as a madman -- because of the multitude of your sins and your intense animosity.

Are they servants of Christ?I’m talking like a madman—I’m a better one:with far more labors,many more imprisonments,far worse beatings, near death many times.