1) Abuse 2) Cruel or inhumane treatment 3) Exploitation 4) Harm 5) Hurt 6) Ill-treatment 7) Ill-usage 8) Mistreatment 9) Neglect 10) Oppression 1) Abuse 2) Cruelty 3) Harassment 4) Ill use 5) Mistreatment 6) Persecution 
Mal·treat'ment noun ; [ Confer French maltraitement .] Ill treatment; ill usage; abuse. 
[n] - cruel or inhumane treatment
maltreatment The action of treating badly; the state of being treated badly.
ill-treatment noun cruel or inhumane treatment
cruel or inhumane treatment