ʿUqba ibn Nāfiʿ ( Arabic : ﻋﻘﺒﺔ ﺑﻦ ﻧﺎﻓﻊ ), also referred to as Oqba ibn Nafi, Uqba bin Nafe, Uqba ibn al Nafia, or Akbah; 622-683) was an Arab general serving the Rashidun Caliphate since the Reign of Umar and later on the Umayyad Caliphate during the reigns of Muawiyah I and Yazid I , leading the Muslim conquest of the Maghreb , including present-day Algeria, Tunisia , Libya(Tripoli Is the capital of Libya) andMorocco .