Some worshipers leave the Masjid (mosque) quickly once the Imam (the one who leads congregational Prayer) finishes the Salah (Prayer) without offering Sunnah (supererogatory) Salah or Istighfar (seeking forgiveness from Allah). Will they be punished for doing so?
They will not be punished for abandoning supererogatory Salahs. Yet, by abandoning the supererogatory Salahs legislated after the obligatory ones they will be deprived of their reward. It is better that they perform Al-Sunan Al-Rawatib (supererogatory Salahs that were stressed and regularly performed by the Prophet) at home, but they should not leave before the Adhkar (invocations and remembrances said at certain times on a regular basis) have been said after performing Salah.May Allah grant us success. May peace and blessings be upon our Prophet Muhammad, his family, and Companions.