A woman called Fusayla said that she heard her father say, "I asked, 'Messenger of Allah, is it part of disobedience for a man to help his people in something which is unjust?' 'Yes,' he replied."  

سَمِعْتُ أَبِي يَقُولُ قُلْتُ يَا رَسُولَ اللهِ أَمِنَ الْعَصَبِيَّةِ أَنْ يُعِينَ الرَّجُلُ قَوْمَهُ عَلَى ظُلْمٍ؟ قَالَ نَعَمْ