end user(The ultimate user of a computer or computer application in its finished, marketable form); persona(A fictional reality, collecting together real data describing the important characteristics of a particular user group in a fictional character. A persona describes the typical skills, abilities, needs, desires, working habits, tasks ,and backgrounds of a particular set of users)
Someone on Windows Live(The display name UI label used when there isn't a display name value available, as when data can't be retrieved or someone hasn't completely filled out their profile)
Someone(The display name UI label used when there isn't a display name value available, as when data can't be retrieved or someone hasn't completely filled out their profile)