Who are the permissible recipients of Sadaqah (charity) according to the Prophet?

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Charity is not lawful for a rich person, except for five specific categories mentioned by the Prophet. These categories are: one fighting in the cause of Allah (Ghazian), one acting as an agent/collector over it (Amil), a debtor who is settling a debt (Gharim), a person who bought the charity with his own money (implying he purchased it to return it to the poor, based on the narration context), or for a poor neighbor who then gifts some of that charity to a wealthy neighbor.