And he stoppeth one of three
The poet is referring to himself. It should be noted that Coleridge switches frequently the first and third person voices within the poem.
See the next stanza.
It is interesting that the Mariner stops only one of the three individuals. Questions abound — will only one person listen to his song? Does this one person need to hear what the mariner has to say? Or is is just a coincidence?
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