When Franklin arrived in Philadelphia, he was very poor, having sold some of his precious books to get money for his journey. Arriving in Philadelphia, he soon began to regret leaving home.
I think it is talking about a person who died. Hope this helps.
:)
The theme of the miller's tale is ridiculing the society and organized religion by showing how corrupt it can be.
Thomas might have been using both meanings in the poem so that he can show how kind he is.
the young man is not happy although he has a good job