noun (n)

• someone who has supervisory duties at a summer camp(noun.person)

  Synonym:
  counselor
  

  source: wordnet30
• someone who gives advice about problems(noun.person)

  source: wordnet30
• a lawyer who pleads cases in court(noun.person)

  Synonym:
  advocate, counsel, counselor, counselor-at-law, pleader
  

  source: wordnet30