Disable Right Click for the word press site. Add this code snippet in your theme's functions.php file.

disable_right_click.php

function disable_right_click_callback()
{
  ?>
  <script>
    jQuery(document).ready(function() {
      jQuery(document).bind("contextmenu", function(e) {
        return false;
      });
    });
  </script>
<?php
}
add_action('wp_footer', 'disable_right_click_callback');