When Joelle Bearstail's son was being bullied at school for having long hair, she didn't get mad.
First, she met with teachers and administrators. Then she arranged a "cultural presentation" to teach the non-Native kids in his class a little more about her family's Mandan, Hidatsa, and Arikara traditions.

Joelle Bearstail
Then she wrote a book.
You can find more information about Bear's Braid here.