Mistreatment (noun)

1. The act of treating someone in a harsh, abusive, or unfair manner.
2. Neglect or abuse of someone or something.

Origin:

From 'mis-' meaning 'incorrect' or 'bad' and 'treatment' meaning 'the way someone is treated or handled'.

Examples:

1. The mistreatment of the prisoners was a violation of human rights.
2. The mistreatment was a source of public outrage.
3. The mistreatment was reported to the authorities.
4. The mistreatment was unacceptable.
5. The mistreatment was a result of a lack of oversight.