The Question and Answer section for Silence is a great resource to ask questions, find answers, and discuss the novel.
The people suspected of converting to Catholocism were forced to trample a fumie in order to prove they hadn't converted from Buhddism.
1) He arrives in Japan on a mission to find his mentor, Father Ferreira, who is rumored to have apostatized.
2) He is a Christian
3) I'm not sure what you mean about his background? he is a Portuguese Priest.