These are what we call the 'YMMV items.' Things that some people find in this work. We call them 'your mileage might vary' because not everyone sees these things in the same way. This starts discussions in the trope lists, a thing we don't want. Please use the discussion page if you'd like to discuss any of these items.
Also, this passage when he sees the sharks: "'Ay,' he said aloud. There is no translation for this word and perhaps it is just a noise such as a man might make, involuntarily, feeling the nail go through his hands and into the wood."
And the part when he carries the mast out of the boat and fall down multiple times, like Jesus with the cross.
Tear Jerker - The ending is on the verge of heartbreaking to some readers.
The other fishermen are in awe of Santiago's effort to bring such a giant fish back. The boy even cries for the suffering that the Old Man endured. They display the bony remains, but the tourists don't comprehend what they're seeing.