وَلَا تُطِعْ كُلَّ حَلَّافٍۢ مَّهِينٍ ﴿١٠﴾
Et n'obéis à aucun grand jureur, méprisable,
Haram Speech & character
Is carrying tales between people (namimah) haram?
Short answer
Yes. Carrying words between people to cause trouble is namimah, and the Quran blames the one who goes about with malicious gossip (68:10-11). A Muslim should help settle disputes and keep what is private.
Evidence
Quran
هَمَّازٍۢ مَّشَّآءٍۭ بِنَمِيمٍۢ ﴿١١﴾
grand diffamateur, grand colporteur de médisance,
This is general information, not a fatwa. For your own situation, ask a qualified scholar.
Questions about halal and haram
Is carrying tales between people (namimah) haram?
Yes. Carrying words between people to cause trouble is namimah, and the Quran blames the one who goes about with malicious gossip (68:10-11). A Muslim should help settle disputes and keep what is private.