A first-person narrator.
An unreliable narrator is a narrator you can't trust
And third person, both limited and omniscient would use he and she.
These point-of-views, would be known as "it, them, she, he, her, him, and they". These would be the very important people to the author as they would carry all of the information.
Hello there!
The examples of onomatopoeia in this poem is whirring and clucked.
Hope this helped! :D