Faith is seeing light with your heart when all your eyes see is darkness! In the book, Arbeely tells Armhad that faith is believing in something even without proof, because you know it in your heart to be true.
Some people, no matter what you do, are not going to be for you. Even if you changed, met all their demands and did everything they asked, they would still find something wrong. Ignore those critical voices. You don’t need those people’s approval.