The name Bilal is a Muslim baby name. In Muslim the meaning of the name Bilal is: First Muezzin (Caller to prayer). Companion of Prophet Muhammad.
Also, it's one of the names of God in Islam - Al-Qayyūm (Arabic: القيوم), meaning "Subsisting" or "Independent". In modern times it is sometimes used as an independent surname, by for example. Amir Qayyum (born 1981), Pakistani serial killer.
Abdul Qayyum (Arabic: عبد القيوم ‎‎) is a male Muslim given name. It is built from the Arabic words Abd, al- and Qayyum. The name means "servant of the eternal", Al-Qayyūm being one of the names of God in the Qur'an, which give rise to the Muslim theophoric names.