God botherer

noun4

1. •
   (slang, disapproving) A person who persistently promotes religious beliefs to others, even when unwelcome.
2. •
   (slang, disapproving) A religious preacher who visits homes to promote his or her beliefs.
3. •
   (slang, disapproving) An excessively pious person.
4. •
   (UK, slang) A military chaplain.