Who was nez perce leader who battled the us government both in combat and in the court system to defend his people?

The leader was called Chief Joseph the Younger

Born in 1840, in Willowa valley, he was one of the leaders of the Nez Perce people. The reason he confronted the government was an opposition to white settlers settlement in his people native land in Oregon. After a botched retreat to Canada, he surrendered and swore never to fight again, and spent the rest of his life appealing for his people case through court means. He even met  with President Rutherford Hayes in 1879.

Of the revolutions of 1848.