To deactivate an agent, click on 'Agents' from the main menu in your HappyFox Chat account.
Click on the agent tile that you want to deactivate.
On the pop-up, click on 'Deactivate' located at bottom right corner. After clicking Deactivate, you will be prompted with a confirmation and on choosing 'Yes' the agent's account will be deactivated.
If you're looking to delete an agent click here