This research was intended to look at the speech acts and politeness forms used by Prophet Muhammad. Moreover, it was also aimed to know the secret use of politeness on various speech acts in the lettersto the kings. The letters analyzed in this discussion were the letters containing a call to embrace Islam to the three kings of great kingdoms outside the Arabian Peninsula, Abyssinia al-Najasy …
Da'i are the inheritors of the propehets. The task of the prophets has been described by Allah through the Koran. When the prophet was dead, then the beneficiary is the clergy. Not all scholars, including the heir to the Prophet. Only scholars who also assumed the duties of a prophet obligation. Da'i as the spearhead of the spread of Islam need to know the duties of the Prophet and also imitate…