"Ill treatment" refers to the act of treating someone in a cruel, unfair, or harmful way. It is when someone is unnecessarily or unjustly mistreated, abused, or subjected to cruelty or harm. Full definition
In a way he was a product of his environment but that's not an excuse for ill treatment of others. (bookbrowse.com)
The judgementalism, along with ill treatment, pushed me out the door. (nakedpastor.com)
Pregnant women around the world seeking maternity care from the health systems in their countries instead receive ill treatment that ranges from disrespect of their autonomy and dignity to outright abuse: physical assault, verbal insults, discrimination, abandonment, or detention in facilities for failure to pay. (motherchildhealth.org)