[left][/left] What roles can the youths play in the survival of our indigenous languages?

Once the youth come to realize that they own the language (as in, it is both their heritage and legacy), then they will understand that they can use it as they see fit. If they want to explain something and a word or expression does not exist for it that they can think of, then they should make one up. If they want to read stories in the language, then they should feel free to write those stories. If they want more people to teach in the language, then they should open schools.

If the youth want their indigenous languages to survive, then they should simply get in the habit of using those indigenous languages. A tool that isn't used is a tool that gets corroded until it eventual becomes obsolete.