He could not pursue any of them as his club, Al Arabi, refused to let him play professionally. Al-Khor In a move which shocked many fans, Mustafa left Al-Arabi in 2003 to join Al Khor after a string of disappointing seasons for Al-Arabi, due to personal disputes with certain officials and players in the club. Mustafa led Al-Khor to their first major trophy in 46 years in just two seasons after Al-Khor beat Al Gharafa in 2005 to claim the Qatar Crown Prince Cup for the first time in the club's history. Al-Gharafa In 2006, Mustafa moved to Al-Gharafa, one of the most successful teams in the Qatar Stars League. He helped them finish second in the league, as well as making it to the finals of the Qatar Crown Prince Cup. He retired from professional football in 2007, at the age of 34. International career Mustafa started his senior international career at the age of 19. He helped establish the Qatar football team on the international stage, claiming many achievements in his time of playing for the Qatar national team, such as winning the 1992 Gulf Cup of Nations, reaching the quarter-finals of the 1992 Olympic Games in Barcelona, and winning the 1998 Arab Nations Cup. He played for Qatar in the 1998 World Cup Qualifiers, scoring two goals in the group stage and securing the top position in their group before getting eliminated in the final round. In a match at the 1992 Olympic Games in Barcelona, Mustafa scored the only goal in a 1–0 win against Egypt, registering the first competitive win in Qatar's history against an African nation. Mustafa had a reputation of being a fair player, having been shown no red cards in his international career. He later received the World Fair Play Trophy in 2005. Mustafa officially retired from international football in 2004. After football After retiring from professional football, Mustafa was appointed the Director of football of Al-Arabi. He still occasionally manages the first team. In 2009, Mubarak Mustafa received the International Olympic Committee's annual ideal player award. In doing so, he is the first Qatari to ever win the award. He expressed his deep happiness for receiving IOC Award, which represents a great honor for Qatar sport in general and Qatar Olympic committee (QOC) in particular. On 17 October 2011, Mustafa played a tribute game in honour of deceased Emirati player Theyab