Maltreatment (noun)

1. The act of maltreating or the state of being maltreated.
2. The act of treating someone cruelly or unjustly; abuse.
3. The act of neglecting or failing to take care of someone or something; neglect.

Origin:

From maltreat + -ment.

Examples:

1. The child suffered from maltreatment by his parents.
2. The employee reported the maltreatment to the human resources department.
3. The animal rights organization reported the maltreatment of the animals on the farm.
4. The maltreatment of prisoners is against the law.
5. The maltreatment of the elderly in the nursing home was exposed by the media.