Thank you for your email concerning Persecution, Anger and Forgiveness.
Indeed, it is very hard to deal with persecution in a Godly, balanced, Biblical way.
I have had to deal with the whole range of emotions from grief, shock, anger and temptations to bitterness.
In all of this I found the Psalms most helpful. Praying the Psalms and meditating on the Psalms. The Psalms teach one to take our frustrations, anger and desire for justice to the Throne of God. The Imprecatory Psalms, prayers for Justice, call on God to intervene and to either bring the wicked to repentance, or to deal with them in judgement. To bring them to repentance, or to remove them. Please see attached article 'Praying for Justice'.