Comment by Souro. on Tenohira Kaitaku Mura De Isekai Kenkokuki: Fueteku Yome-Tachi To Nonbiri Mujintou Life - Chapter 48

I suspect Rosa is a spy. 
A top official suddenly got abandon in the witch Island, doesn't this look totally SUS!! 
I know the Church is an evil place in this manga but she have served for 500years.