fiddler:
(plural: ‘fiddlers‘; pronunciation: the letters ‘fi’ rhyme with the letters ‘fi’ in “fill”)
a person who plays the fiddle (violin), especially in folk music (fiddle = a musical instrument); a violinist;
a person who moves about aimlessly or without any purpose;
a cheat, usually a person who gives wrong/false information in order to avoid some extra charges or some small punishment;
an unskilled person/mechanic who tries to repair or fix something,

a fiddler playing the fiddle (violin)
My granddad was a folk fiddler and was invited to play his fiddle at every village celebration.
‘Fiddler on the Roof’ is a classic story about a Jewish peasant in post-revolution Russia who had to struggle to keep his religious beliefs and survive in the changing society.
A tax fiddler is the one who shows wrong or false documents in order to avoid paying tax money to the government.
In one of its news items the Chicago Tribune, a popular newspaper, calls the present Italian politicians ‘fiddlers’ figuratively, comparing them with Nero, the infamous Roman ruler of the past, who was supposed to have played his fiddle while the entire city of Rome was burning.
Don’t allow Ricky, the fiddler, to touch my computer when I’m away because he fiddles with it and ruins all my work!
