Hi there,
I have completely gone through the project description, payment gateway is not required in your website, only communications and permissions and access are the main players for the project.
Do you want to provide a live chat support for the users?
I am a highly professional web developer, having a consistent rich experience of 12 years, worked with server side scripting languages like PHP and C#, Framework like Codeignitor, Cake PHP, Zend, Yii & Others, also i worked with wordpress, joomla, magento and others, My area of expertise is API integration, Component/module/plugin creation and modification, Web Design, Web Development & Search Engine Optimization [SEO], HTML 5.0 canvas. javascript and JQuery.
Being an experienced web developer, I myself feel capable in helping you with a quality work for your project, So I'd be glad if we can have further discussion about your this project, feel free to reach me anytime.
My skypeID is live:jay.vyas_4.
Thanks and Kindest regards.