It depends on the connotation of the word.
a. mentor- helps you shape your future
b. dictator- negative connotation, too controlling
c. leader- guidance
d.teacher- fills your knowledge
I WOULD SAY C. LEADER
The hike to Castle Rock is stressful, but once Ralph and Jack scout it and determine there is no Beast, the remaining boys begin to distract and entertain themselves by pushing a large rock off the cliff into the water, foreshadowing the future use of that strategy to "defend" themselves.
Extrinsic. Extrinsic means not part of the essential nature. But intrinsic means belonging to essential nature.