Question

What is a person called who commits an act of violence?

Answer 1

A criminal,

An irrational person

The bad guy

Sometimes the Victim.

Assailant.

Step-by-step explanation:

All of the terms describes a person who commits an act of violence.

However, the last term on this list, Assailant, is the one your looking for.

Answer 2

We can use multiple terms to describe that, but the most appropriate term is Assailant. Assailant is described in the dictionary as a person who attacks physically another person. Other words can be used, as attacker, criminal, assaulter. Every one of this can describe the given situation.