In its texts they can rediscover their ancestral language.

In others, there are master-apprentice programs, in which elders teach younger people the ancestral language within a home setting.

The comparative method uses information from two or more languages and allows reconstruction of the ancestral language.

However, far fewer can still speak their ancestral language, after centuries of language shift.

They were also said to deprive them of their ancestral languages, and cultural practises.