noun (n)

• a forward on a soccer team(noun.person)

  source: wordnet30
• someone receiving intensive training for a naval technical rating(noun.person)

  source: wordnet30
• an employee on strike against an employer(noun.person)

  source: wordnet30
• someone who hits(noun.person)

  Example:
  A fine striker of the ball.
  

  Synonym:
  hitter
  

  source: wordnet30
• the part of a mechanical device that strikes something(noun.artifact)

  source: wordnet30
• One who, or that which, strikes; specifically, a blacksmith's helper who wields the sledge.(noun)

  source: webster1913