a person but not a particular or known one; (often used with 'a') a person of some importance
person of fame, importance
Cases of word usage
1) brush somebody off (brush-off)
2) call somebody up (call-up)
3) a person pretending to be somebody else (especially in order to do something bad) (impostor)
4) (a piece of) writing intended to amuse by imitating the style of writing used by somebody else; a poor example (parody)
5) to take and use somebody else's ideas, words etc as if they were one's own (plagiarize)
