jomol

Simple Font Awesome Icon plugin will give you the Font Awesome Icon option in your post and page. From there you can choose the required icon and hit save. Then use the get_post_meta(‘post ID’, ‘font-awesome-icon’, true); function in the template file and you will get the class name which can be used with i tag.
Please take a look the plugin page for more details: [https://codingdom.wordpress.com/simple-font-awesome-icon/)

Simple Font Awesome Icon

Simple Font Awesome plugin will give you the option for adding Font Awesome icons for your post and pages in the form of a meta box.

chriscarvache

WelcomeUser! make it possible to add customizable welcome messages to you users based on their user roles. Inspired by sites such as eBay and Amazon, use this handy plugin for things such as:
<ul>
<li>Providing a set of quick links for your users</li>
<li>Displaying a friendly welcome message</li>
<li>Creating a call-to-action based on user role</li>
</ul>

WelcomeUser!

Add commonly seen user login links and welcome messages to the meta / utility section of your blog.

Simple Font Awesome Icon vs WelcomeUser!