(187) بَابُ حُبِّ الرَّجُلِ قَوْمَهُ
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 peoplein something which is unjust?' 'Yes,' he replied."
Reference: Al-Adab Al-Mufrad 396
In-book reference: Book 21, Hadith 12
English translation: Book 21, Hadith 396