RTC “that was partly my fault, Aslan. I was angry with Him and I think that helped him to go wrong” Identity the speaker? Why was the speaker ready to admit his mistake?

RTC “that was partly my fault, Aslan. I was angry with Him and I think that helped him to go wrong” Identity the speaker? Why was the speaker ready to admit his mistake, what qualities of speaker can be derived from the above dialogue? Give brief background behind his dialogue. Open ended Question Have you ever gone out of the way to help your sibling? How?