A a short story is fictional, whole an autobioghy is non fiction
The pronouns in this phrase are:
who - relative
his - personal
he - personal
It means that you should get out there and do what you think is wrong with the world.
For example, if I wanted something to be done about homelessness, I should start a fundraiser, or help some homeless people out by giving them a bag full of goodies or something.
Hope this helped! If you have any more questions or don't understand, please comment or DM me. :)
They are at the temple fair trying to sell their bangles. Let me know if this helps.
All of them are key features