Answer
**Olympiacos Volou,** a Greek football club, faced demotion due to their involvement in a match-fixing scandal. This serious offense led to severe consequences for the club, resulting in their expulsion from the Greek Super League and subsequent relegation to the third division. The scandal not only tarnished the reputation of Olympiacos Volou but also highlighted the damaging impact of such unethical practices on the integrity of sports and fair competition.