I'm thinking of quitting a non-profit over ethical questions.
What types of questions are bothering you at this non-profit?
I have to be so secretive about the fund-raising activities and I have to keep up appearances before other people.
Even with these scruples you have to remember that just quitting will not be seen favorably. You'd better stay for the length of your commitment to them.
Ok. I'm planning to stay in my position at the non-profit a while longer but I will quit eventually.
That is good that you're willing to give it another try! I am sure that you will come around and decide that you may even enjoy yourself there.