[2] During a military exercise in Berakas Camp in 1969, Cadet Jaafar was among the servicemen awarded by Prince Mohamed for excellence in shooting.

[6] On 8 May, him alongside Sultan Hassanal Bolkiah welcomed Thailand's Chief of Defence Forces, Narong Yuthavong.

[7] After his military career, he became a member of the Veterans Association of Royal Brunei Armed Forces (PERWIRA),[8] and the advisor to the Al-Ameerah Al-Hajjah Maryam Masjid Improvement Committee.

[12] Jaafar is married to Datin Hajah Salbiah binti Mohd Yusof, and together they are known to have two sons, Mohammed Nazlee[13] and Abdul Azeez,[14] and a daughter, Athiyyah As'ad.

[17] NationalJaafar was awarded the Manteri title of Yang Dimuliakan Pehin Orang Kaya Lela Pahlawan.