ANSWER:

No you must not.

There’s no concept of sacrificing black animals like this as it’s a superstitious belief and can mount to shirk. Most likely such people are sacrificing for the jinn! 

QUESTION: Sheikh, if someone asked me to give money to him/ her so, that they can sacrifice a black goat for someone who has been affected by black magic. Should I?

Jinn, Witchcraft, Black Magic and the Evil Eye, Shirk and its different forms | December 11, 2022 2:34 am
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QUESTION: Can u give evil eye just by looking at pictures? If I look at old picture of my kids on phone n I like it as a parent u admire/love your kids. Can u give evil eye by looking at pictures,old pics n liking it,thinking your kids look cute.
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QUESTION: Is it possible for a person to give his own self evil eye? By admiring or being amazed by something that he has, and not saying mashaaAllah laa quuwata illaa billah