Answer:
This passage means that the Indians are imitating the missionaries and are doing what the missionaries are doing because they like the honor and respect that is given to the missionaries.
They have begun calling themselves by the title of Patriarch and are even seen hearing confessions from their fellow Indians like they have seen the Reverends among the missionaries do and the writer finds this behavior distasteful
The list that is their is the answer
It honestly depends on their personal situation. Some may have gotten away or looked over (extremely rare and lucky), and some may have just survived.
The body is insane and will do anything keep us alive - that's it main job. Some people who go into shock manage to survive, as their body shuts off any unneeded parts - mental awareness, etc. Some people also may have just gotten lucky, and their bodies may have lived through what they went through.