What does the word "torch" mean in the following sentence?Whoso torches him perils his life!

问题描述:

What does the word "torch" mean in the following sentence?Whoso torches him perils his life!
from "The Prince and the Pauper"by Mark Twain
on Page 167 in the book published by FLTRP in Sept.,2010
I doubt whether it is a mis-printing of "touch".

It should be "Whoso touches him perils his life!"