They were called a "patriot"
He was 18 years old because he was born in 1989 and the film came out at 2007,
so 2007-1989 = 18
<em>It is also stated that the war chiefs will not participate in the Confederate Council, but will instead watch its progress receive and pass on warnings from people.</em>
This is a citation from <em>The Constitution of the Iroquois Nations: The Great Binding Law, Gayanashagowa</em>. This Confederation consits of five indigenous North American nations (Mohawk, Oneida, Onondaga, Cayuga and Seneca).
This document was transmitted orally through centuries, and dates back to the 14th Century. It is also known as the "Great Peace" between these nations.
Matters of this Constitution consists of aspects of tribal and regional governance, social organization, rights and duties of leaders, protection of other rights, etc. It is believed that this constitution served as an influence for United States Constitution.
In this scenario in where the result of the anti-nephi-lehies becoming converted to the Lord was that they experience afflictions however despite the afflictions, they are still grateful to the Lord. Hope this is the answer and would be of help.