mate

Noun
  1. A friend or companion. Noun
    He is my best mate.
  2. A partner in a romantic or sexual relationship. Noun
    They became mates during the trip.
  3. A fellow member of a team or group. Noun
    He is a cricket mate.
  4. A spouse or partner, especially in Australia and Britain. Noun
    He lives with his wife and his mate.