Users Permission in Front end

I would be interested to know if there is a way to control the users who use the repository to build a network of these scientists and to be able to communicate with them the actions of the archive.

I tried to make this happen from the official site in Wordpress but that doesn’t restrict the items. So i need an omeka restriction at the Front-end. I searched a lot but didn’t find something. I also tried embed code the hole site into Wordpress but the picture is limited.

Maybe someone haw another solution??
Thanks