In the OMS go to Setup> My Office / Office Members and take note of the agent reference you want to display as the featured agent on your website
After finding the agent reference go to Setup> My Office / General Settings
Click on parameters and choose 'featured agents'
Manually enter the agent reference you want to feature on the home page
Press save. The website will feature the new agent within 15 - 20 min.
If you clear the text box and press save your website will auto rotate your agents