The ruling on saying "O disbeliever" to one's Muslim brother
Machine translationRead the Arabic original
Question:
This questioner asks: He says: Does the one who says "O disbeliever" to his Muslim brother commit major disbelief? And is it permissible for me to cite the qudsi hadith in this regard?
Answer:
Yes, it is not permissible for you to say "O disbeliever" to your Muslim brother, because this will return upon you, or you will be cursing your Muslim brother so that it does not return upon you. If your brother is not deserving of what you said about him, then this will return upon you, and there is a severe warning for you. Yes.
This questioner asks: He says: Does the one who says "O disbeliever" to his Muslim brother commit major disbelief? And is it permissible for me to cite the qudsi hadith in this regard?
Answer:
Yes, it is not permissible for you to say "O disbeliever" to your Muslim brother, because this will return upon you, or you will be cursing your Muslim brother so that it does not return upon you. If your brother is not deserving of what you said about him, then this will return upon you, and there is a severe warning for you. Yes.
Source
قناة «العلامة الدكتور صالح الفوزان»، [183 -308] ما حكم قول المسلم لأخيه: يا كافر، وهل يجوز أن أسوق الحديث القدسي فيما معناه؟ — youtube.com
The Arabic text is a machine transcription of the audio recording.