I want to say the answer is heroic because he did think it would help
can you specify what book/play you're talking about me
The answer is to throw away.
Reject most closely means "to dismiss." The choice "to throw away" would describe how the writer is completely against the idea that he or she is too young to make a difference and "dismisses", disregards and does not accept the idea that he or she is too young to make a difference.
-E :)