Sayyiduna Zayd bin Khalid al-Juhani (may Allah be pleased with him) said that the Messenger of Allah (peace and blessings be upon him) said: "Whoever gives a fasting person food to break his fast will have a reward equal to his, without anything being reduced from the fasting person's reward. And whoever provides for a pilgrim, or equips a fighter, or looks after his family in his absence, will also have a reward equal to his, without anything being reduced from his reward."
Hadith Referenceالمعجم الكبير للطبراني / باب الزاي / 5248