When Gerasim says: " It's God's will. We shall all come to it some day", He expresses that he is a believer. This is pretty much related to his spirituality.
Grover let Percy's mom "die" and was supposed to give Percy a safe passage to Camp Half Blood.
Answer: What does it mean when Britain declares the right "to BIND us in ALL CASES WHATSOEVER"? ... The colonists will be captured and brought back to Britain. The British government has complete control over the colonists