defender

noun5

1. •
   Someone who defends people or property.
2. •
   One of the players whose primary task is to prevent the opposition from scoring.
3. •
   A fighter who seeks to repel an attack.
4. •
   (rare) A lawyer who represents defendants, especially a public defender; a defense attorney (US) or defence counsel (UK).

   • There was another protection to which she was intitled by that law, namely, a defender; but she had none. — 1822
5. •
   A defendant in a civil action.