Da’wah is an obligation for followers of Islam, whose purpose to spread the teachings Islam and build Islamic society. Da''wah, Tabligh, Taghyir, amar ma''ruf nahi munkar, morals—even Qur''an says that best ummah do ''amar munkar. Even lists ethics da''wah contained in Surah An-Nahal verse 125, which starts from bil-hikmah, mau''izho hasanah, wajadilhu billati hiya ahsan. In delivering dawah, s...