The author name is Gary D. Schmidt
I would say in college, but I think they did that with scholarships.
The girl slid suddenly down the bank.
A young person could join an activism group and help people who are often oppressed in various parts of the world like the LGBTQ+ community, or they could even go to protests and raise awareness about human rights or anything similar. They could even defend those who are attacked and prevent people from attacking them.
More slowly is the answer. I hope it helps