Rather than focusing on the 9 that didn't return, this sermon focuses on the one that did. A "stranger."
12 And as he entered into a certain village, there met him ten men that were lepers, which stood afar off:
13 And they lifted up their voices, and said, Jesus, Master, have mercy on us.
14 And when he saw them, he said unto them, Go shew yourselves unto the priests. And it came to