How to Add a Contributor & Share your Site in WIX.
To add a Site Contributor, CLICK on "SITE ACTION" in the Upper Right corner
From the Pull-down Menu, SELECT "INVITE PEOPLE."
Enter the Email of the PERSON you want to ADD as a CONTRIBUTOR & Share your SITE with.
☑ Check the Box for WEBSITE MANAGER
CLICK "SEND INVITE" in the Upper Right.