An unnamed narrator narrates from Sayyiduna Mu'adh bin Jabal (may Allah be pleased with him); he said that the Messenger of Allah (peace and blessings be upon him) said: "Whoever equips a fighter, or looks after his family (left behind) well in his absence, is with us."
Hadith Referenceالمعجم الكبير للطبراني / باب الميم / 17492