Ethnomusicologist. Why are you on the math section?
In the story entitled the Pearl Kino wakes up at the start of the novella as he heard the song of the family and he did feel content which is the answer. Hope this is the best answer and would be of help.
Answer:
TO BE HELPFUL
Explanation:
To take care of others" protect'
Maybe something like crystal I think, but out of yours I would pick karma!