وَلَا تُطِعْ كُلَّ حَلَّافٍۢ مَّهِينٍ ﴿١٠﴾
And do not obey every worthless habitual swearer
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﴾
[And] scorner, going about with malicious gossip -
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.