The command to fight the people until they say "La ilaha illallah Muhammad Rasul-Allah", and establish Salat, and pay the Zakat, and believe in everything that the prophet (ﷺ) brought. Whoever does that, his life and his wealth are protected except by its right, and his secrets are entrusted to Allah, the most high. Fighting those who withhold Zakat or other than that is one of the duties of Islam and the Iman should be concerned with the Laws of Islam
حَدَّثَنَا يَحْيَى بْنُ يَحْيَى، وَأَبُو بَكْرِ بْنُ أَبِي شَيْبَةَ - وَاللَّفْظُ لأَبِي بَكْرٍ - قَالَ يَحْيَى أَخْبَرَنَا وَقَالَ أَبُو بَكْرٍ، حَدَّثَنَا - وَكِيعٌ، عَنْ شُعْبَةَ، عَنْ مُحَمَّدِ بْنِ الْمُنْكَدِرِ، عَنْ جَابِرِ بْنِ عَبْدِ، اللَّهِ قَالَ اسْتَأْذَنْتُ عَلَى النَّبِيِّ صلى الله عليه وسلم فَقَالَ مَنْ هَذَا " . فَقُلْتُ أَنَا . فَقَالَ النَّبِيُّ صلى الله عليه وسلم " أَنَا أَنَا " ."
Jabir b. Abdullah reported:
I sought permission from Allah's Messenger (may peace be upoh him) to see him. He said: Who is it? I said: It is I. Thereupon Allah's Messenger (ﷺ) said: It is I. it is I (these words lead me to no conclusion).
Reference: Sahih Muslim 2155 b In-book : Book 38, Hadith 51 USC-MSA web (English) : Book 25, Hadith 5364 (deprecated)
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