Yes. In a hadith qudsi Allah says that He has made oppression unlawful for Himself and unlawful among people, so do not oppress one another. The Quran warns that Allah is not unaware of what the wrongdoers do (14:42).
"Kuma kada ka yi zaton Allah Mai shagalã ne daga abin da azzalumai suke aikatãwã. Abin sani kawai, Yanã jinkirta musu ne zuwa ga wani wuni, wanda idãnuwa suke fita turu- turu a cikinsa."
lnda hanyar zargi kawai take, shĩ ne a kan waɗanda ke zãluntar mutãne kuma sunã ƙẽtare haddin shari'a cikin ƙasa bã tare da haƙƙi ba. Waɗannan sunã da azãba Mai raɗaɗi.
Hadith
Sahih Muslim 2577d
Abu Dharr reported Allah's Messenger (ﷺ) as saying that he reported it from his Lord, the Exalted and Glorious:Verily I have made oppression unlawful for Me and for My servants too, so do not commit oppression. The rest of the hadith is the same
This is general information, not a fatwa. For your own situation, ask a qualified scholar.
Questions about halal and haram
Is oppression (zulm) haram?
Yes. In a hadith qudsi Allah says that He has made oppression unlawful for Himself and unlawful among people, so do not oppress one another. The Quran warns that Allah is not unaware of what the wrongdoers do (14:42).