Persecution

n. oppression, torment, harassment

Persecution is the systematic mistreatment of an individual/group by another group. The most common forms are religious persecution, ethnic persecution, and political persecution, though there is naturally some overlap between these terms. The act of killing an offender of the law.
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Noun
1. the act of persecuting (especially on the basis of race or religion)
(hypernym) maltreatment, ill-treatment, ill-usage, abuse
(hyponym) oppression, subjugation
(derivation) persecute, oppress
(classification) religion, faith, religious belief

n. persecution, oppression

(n.)
The state or condition of being persecuted.
  

(n.)
The act or practice of persecuting; especially, the infliction of loss, pain, or death for adherence to a particular creed or mode of worship.
  

(n.)
A carrying on; prosecution.