Imam – The leader of a prayer in a mosque, which is to be used in lowercase. It can be capitalised before a name when used as the formal title for a Muslim leader or ruler.
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Reuters: Lowercase when describing the official who leads devotions in a mosque. Uppercase when part of an official title.
AP: Lowercase when describing the leader of a prayer in a Muslim mosque. Capitalize before a name when used as the formal title for a Muslim leader or ruler. See religious titles.
