Abu Bakrah (may Allah be pleased with him) reported: I heard the Messenger of Allah (may Allah's peace and blessings be upon him) say: "Whoever insults the ruler, Allah will insult him.”
شرح الحديث :
The Hadīth highlights the prohibition of belittling the commands of the ruler, as it entails for the one who does so severe threat and humiliation from Allah, the Almighty, in the worldly life and the Hereafter, given the fact that one reaps what he sows.