Answer:
The narrator of Saki's "The Interlopers" reveals both thoughts and feelings of the two feuding men, Ulrich von Gradwitz and Georg Znaeym by using indirect characterization.
In the exposition of the story, von Gradwitz patrols his forest for his enemy, Znaeym, who he feels is out on this night:
Ulrich von Gradwitz patrolled the dark forest in quest of a human enemy (von Gradwitz's feelings)
...as boys they had thirsted for one another’s blood, as men each prayed that misfortune might fall on the other (feelings of both men)
As he steals through the woods, von Gradwitz thinks,
If only on this wild night, in this dark, lone spot, he might come across Georg Znaeym....
