EQUIPPING A FIGHTER H 178 "He who equips a fighter in the Cause of Allah (jihad) is as if he fought himself. Also, he who looks after the dependents of a fighter during his absence is as if he fights himself." R 178 Bukhari and Muslim with a chain up to Zaid son of Khalid Juhni who related, The Messenger of Allah, praise and peace be upon him, said this.
177- وعن أَبي عبد الرحمان زيد بن خالد الجهني رضي الله عنه ، قَالَ : قَالَ رسولُ الله صلى الله عليه وآله وسلم : "مَنْ جَهَّزَ غَازِياً في سَبيلِ اللهِ فَقَدْ غَزَا ، وَمَنْ خَلَفَ غَازياً في أهْلِهِ بِخَيرٍ فَقَدْ غَزَا" مُتَّفَقٌ عَلَيهِ .