Violent man

A violent man enticeth his neighbour, and leadeth him into the way that is not good.
 He shutteth his eyes to devise froward things: moving his lips he bringeth evil to pass.
(Proverbs 16:29-30 [KJV])

How to deal with a violent man?

Try to avoid them because they are bad fruit.

Also examine yourselves what they have enticed you into and read your king james bible.