The tribes participate in competitions, and the losing tribe has to vote one of its members off the show.

Upon arriving at the island, (Episode 1) Jeff announced the tribes would participate in their first challenge, fighting for flint.

Fifteen tribes participated the first year.

As many as 100 to 1,000 men from opposing villages or tribes would participate.

Some tribes do not participate and others dropped out of treaty negotiations.

Especially in Oklahoma, different tribes will participate in each other's dances.

The dolphins are used as a food source, and only select tribes may participate in this activity.

In addition to the state and federal agencies, nearly 60 Native American tribes also participate in the program's actitvity coordinations.

When the time for the hunt comes, the whole tribe participates.

This tribe never participated in armed forces services.