Wikitravel:How to describe yourself
Once you are a registered as a Wikitraveller, you can tell a little about yourself so other contributors find it easier to communicate with you (and even ask for your help sometimes).
Wikitravellers can write:
or anything else they would like to say about themselves.
You can list yourself in Wikitravel:List of Wikitravellers by location.
If you have a good knowledge of a specific region, consider becoming a docent for that destination, so others can ask questions not covered in the article yet.