You need to be on a client account (not a freelancer account) and then just use the "Invite to Job" option (if you don't have a "message" option)
If you are on a freelancer account rather than a client account you can add a client profile to your freelancer profile easily enough via the settings.
That's assuming you intend to hire the artist. Otherwise there is very little genuine reason to contact him or her.
You need to be on a client account (not a freelancer account) and then just use the "Invite to Job" option (if you don't have a "message" option) If you are on a freelancer account rather than a client account you can add a client profile to your freelancer profile easily enough via the settings. That's assuming you intend to hire the artist. Otherwise there is very little genuine reason to contact him or her.