This tutorial is helpful if you want to limit the access and capabilities of your contractor to your site.
Please follow these steps below:
1. Install then activate the plugin “User Role Editor”.
https://wordpress.org/plugins/user-role-editor/
2. Go to Users >> User Role Editor.
3. On the “Select Role and change its capabilities”, choose the user role from the dropdown.
4. Add edit_theme_options
as well as “manage_options” to it’s capabilities by checking the box then click update.
5. Confirm the settings by clicking Yes.