Anborn lived in Tolkien's middle earth. Anborn is the colonel of Ithilien. Anborn is very loyal to Faramir. Anborn found Gollum while hunting and tried to kill him. But Faramir did not allow it. Anborn later joined the battles at Osgiliath and Minas Tirith. There is no information about what happened to Anborn after the last war.
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From @manyasli