Answer:
Needless or willful violence.
Explanation:
Assault may be defined as the violent action that might cause harm to the people and can affect them badly. Different types of assault are physical assault, sexual assault or mental assault.
The individual that causes the assault is treated as a criminal and must be given proper punishment. The assault means willing fully harm the people and needlessly make them torture. Several laws have been made against the assault.
Thus, the answer is needless or willful violence.