Maybe review over the text it’s talking about. I would help but there is not text for what you are needing help with. Try putting a photo of the text your questions are linked to? Then it would be easier to help with what your asking.
The speaker's viewpoint is how the writer of an essay or the narrator of a story views what they are writing about. For example, if someone is writing about the dangers of energy drinks, their <em>viewpoint</em> would be that energy drinks are dangerous.
when they found out that the other man wasn't his grandfather