Answer:
the last 2 highlighted sentences. Both explain how even though she thinks she's not worthy of the job she's going to do it anyway for the sake of spreading information and awareness
What is this about? What story is this from?
The "distant shrines" refer to the tombs or burial places of saints and other religious figures.
An example of the kind of saint they were traveling to see is Sir Thomas Becket. He was a Christian martyr who could heal people, and his 'shrine' was one of the popular destinations for pilgrims.