noun (n)

• a musician who plays the violin(noun.person)

  Synonym:
  violinist
  

  source: wordnet30
• someone who manipulates in a nervous or unconscious manner(noun.person)

  Synonym:
  twiddler
  

  source: wordnet30
• an unskilled person who tries to fix or mend(noun.person)

  Synonym:
  tinkerer
  

  source: wordnet30
• One who plays on a fiddle or violin.(noun)

  source: webster1913