You can identify Tribe Elders by special icons used alongside their posts, as well as a title below their name/alias.

Tribe Elders help maintain a great community within the Tribe Forum and are quick to report/ban members who breach the rules and code of conduct of the Forum.
Becoming a Tribe Elder requires no application and we do not accept requests to become one. To become a Tribe Elder, you must demonstrate a continued use of the Tribe Forum, a willingness to help others and show a depth of knowledge that is valued within the community. MOT Juice frequently reviews users and reaches out to anyone we feel would be a great Tribe Elder (just keep an eye on your inbox).