English to English

noun (n)

• someone who makes mistakes because of incompetence

  seseorang yang pernah membuat kesalahan karena ketidakmampuan

  Synonym:
  botcher, bumbler, bungler, butcher, fuckup, fumbler, sad sack, stumbler
  

  source: wordnet30
• One who is apt to blunder.

  orang yang cenderung melakukan kesalahan.

  source: webster1913