Name, nickname or similar. How you want to be identified in listing.
Listing of skills you have. Anything you think could be useful.
Your timezone where you live.
Natural languages you speak and are comfortable to communicate with teammates.
Free speech. Tell what kind of projects you'd like to do,
or what kind of things you wish to learn.
If you have project ideas, this is also place to tell about that.
How you can be contacted. Slack name, email, github, linkedin...
Whichever you feel like most comfortable sharing.
Remember, everyone are able to see this information!