When someone is excommunicated from the church, they are taken away to jail banned from attending the church or communicating with its followers told not to communicate with society banned from public service?

The answer is banned from attending the church or communicating with its followers.

When someone is excommunicated from the church, they are banned from attending the church or communicating with its followers.

Explanation:

Excommunication refers to harsh or severe penalty of the church on individuals. If a member commit a grave sin by engaging in activities which are scandalous to the church, the member cease to communicate with the church and he or she is deprived of taking the sacraments and other privileges. It is imposed by competent authority.

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