friend

Noun

• a member of the Religious Society of Friends founded by George Fox (the Friends have never called themselves Quakers)

• a person who backs a politician or a team etc.
  • all their supporters came out for the game
    
  • they are friends of the library
    

• a person with whom you are acquainted
  • I have trouble remembering the names of all my acquaintances
    
  • we are friends of the family
    

• an associate who provides cooperation or assistance
  • he's a good ally in fight
    

• a person you know well and regard with affection and trust
  • he was my best friend at the university
    

Related words

• Synonyms: 
  Friend , Quaker , supporter , protagonist , champion , admirer , booster , acquaintance , ally
• Antonyms: 
  stranger , alien , unknown , foe , enemy