Answer:
It provides suspense by implying that the youth may
not be what he seems.
Step-by-step explanation:
When Faxon met Rainer (the man in furs), he was instantly suspicious of him as he thought he had ulterior motives. instantly suspicious of him as he thought he had ulterior motives and was immediately on guard.
Their interactions created suspense as the readers did not know what would happen next.
Eventually, Faxon found out Rainer was not what he thought he was and they became good friends. They got so close that Faxon was deeply devastated by Rainer's death later on.