Drown myself in google links until I have a vague idea of what a character who exists within the setting would act, and how the environment shaped them as opposed to a more modern upbringing. Researching is key.
>They call me....PASTOR JIMMY. >I'm MALE. >I look like a PORTLY, AGING man with a BALD head and MASSIVE MUTTONCHOPS. I wear the classic dressings of a CATHOLIC PREACHER and carry around a SLIGHTLY BLOODIED CRUCIFIX. >I am a PRIEST.