What is another word for power user?
Pronunciation: [pˈa͡ʊə jˈuːzə] (IPA) 
A power user is someone who has extensive knowledge and expertise in using a particular software, application, or system. There are several synonyms for the term power user such as expert user, advanced user, advanced practitioner, highly skilled user, master user, proficient user, and superuser. These terms denote a user who has an exceptional level of skill and experience using a particular technology. They are often sought after by companies for their proficiency in troubleshooting issues and training other users. The terms are also synonymous with users who excel in their knowledge and ability to operate software or systems used in their industries.
