This is in third person PoV (likely omniscient to be precise). This is known because the readers know almost every thought and emotion of each character.
Examples of this are provided throughout. Just find quotes about the character's thoughts/feelings. :)
Answer:
you can expect <u>no</u> protest from the unhappy people
Answer: The imagery used is trying to describe a feeling of being invisible, and unrecognizable. As if she seems to not know who she is. An emotion of being lost or uncertain, creating self doubt.
Hope this helps ^^