cybernaut
/ˈsaɪbərˌnɔːt/
noun
- A person who spends a lot of time on the internet or is very skilled at using it.
- As a dedicated cybernaut, she knew all the best websites for learning new things.
- The forum was full of experienced cybernauts who helped newcomers with technical questions.
- He called himself a cybernaut because he loved exploring virtual worlds and online communities.