Exile means to be away from one's home (i.e. city, state or country) while either being explicitly refused permission to return and/or being threatened by prison or death upon return. It can be a form of punishment.
Exile can also be a self-imposed departure from one's homeland. Self-exile is often practiced as form of protest or to avoid persecution.
Notable people who have been in exile

Exile is when someone is forced to leave there country because of certain believes or simply because they are told that if they come back they could be punished because of a crime they committed. Mostly used as a punishment for those who are against a dictatorship or have committed horrible crimes. The people that are exiled have to start all over in other country and might never be able to see their family in their native country or less be able to step foot on their country because of the danger that they might get caught and killed. One such country that has many in exile is Cuba who was run by a dictator and who have immigrated to America.
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Another type of exile is excomunication. Excommunication is when a person is suspended or expelled from a religious community/society. The word literaly means to put someone out of communion. According to the Roman Ctholic Churc, when someone is excommunicated, it simply means that they can no longer recieve any sacraments except for reconciliation (confession). Also, if they were a priest or alter server or such, they can no longer do their duties. When a person is excommunicated, they have seperated themselves from the church. Excommunication is not meant to soley punish a person. It is meant to help them to correct their ways. According to Eastern Orthodox, a member is simply excluded from the church. One reason could be for not having gone to confession for that year. The goal is to restore the person to full communion. A person can be expelled from the church but this only happens in extreme cases. Even then, the person isn't damned. Rather, they are left on their own.
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