1) Oppression of a religious group that is despised by most of society.
2) In right-wing fundamentalist Newspeak, the act of disagreeing with fundamentalist protestants and/or refusing to give them special entitlements, such as school-sponsored prayer.
1) What the Nazi regime did to the Jews was true persecution.
2) Christians don't persecute Wiccans!!! They persecute us by not letting us burn them at the stake!!!