Apostasy

The word was first used in Christianity: In the Roman Catholic Church the punishment for apostasy is excommunication. Today, the word is used mostly in the context of apostasy in Islam. 

Sometimes the term is used as a metaphor to refer to changing a non-religious belief or cause, such as a political party or a sports team.

Apostasy in Islam;

A person who rejects, underestimates, mocks or disrespects religious orders defined as fard or sunnah in fiqh or speaks words called "alfaz-i kufr" is called apostate.

Category:Religion