noun (n)

• someone who presents a message of some sort (as a petition or an address or a check or a memorial etc.)(noun.person)

  source: wordnet30
• an advocate who presents a person (as for an award or a degree or an introduction etc.)(noun.person)

  Synonym:
  sponsor
  

  source: wordnet30
• person who makes a gift of property(noun.person)

  Synonym:
  bestower, conferrer, donor, giver
  

  source: wordnet30
• One who presents.(noun)

  source: webster1913