Bay'ah refers to an oath of allegiance to a leader in Islamic terminology. The document discusses the importance of bay'ah according to verses in the Quran and hadiths. It outlines requirements for both those giving bay'ah such as understanding, sincerity, obedience, and those receiving bay'ah such as fulfilling obligations according to the Quran and Sunnah. Examples of bay'ah given to the Prophet Muhammad such as the first pledge of Aqaba are provided to illustrate how bay'ah should be given and what it entails.