It is not permissible to eat meat that was slaughtered for anyone or anything other than Allah, even if the one who slaughtered it mentioned the name of Allah over it

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When is slaughtering for someone other than Allaah regarded as shirk?
Will persisting in sin lead to kufr of indifference?

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Related Answers:
He claims to have a hair of the Prophet (blessings and peace of Allah be upon him) and he wants to build a mosque in which to preserve it!
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Seeking blessing from scholars and righteous people, and their relics
When is slaughtering for someone other than Allaah regarded as shirk?
Will persisting in sin lead to kufr of indifference?

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