noun (n)

• a person who loves someone or is loved by someone(noun.person)

  source: wordnet30
• an ardent follower and admirer(noun.person)

  Synonym:
  buff, devotee, fan
  

  source: wordnet30
• a significant other to whom you are not related by marriage(noun.person)

  source: wordnet30
• One who loves; one who is in love; -- usually limited, in the singular, to a person of the male sex.(noun)

  source: webster1913
• See Louver.(noun)

  source: webster1913