Question 263: If Muslims have the right to call others to Islaam, why do non-Muslims not have the right to call others to their religions?
Answer: Calling people to Islaam and to worship none but Allaah (Exalted be He) is the mission of Allaah’s Messengers and the Muslims coming after them. The Muslims after the mission of Prophet Muhammad (peace be upon him) undertake this task, as they are those who follow the revelation sent down by Allaah (Exalted be He). That is why they call people to the right path as a way to worship Allaah (Exalted be He) and to follow the footsteps of their Prophet Muhammad (peace be upon him) and the preceding prophets (peace be upon them). Furthermore, the practice of calling people to Islaam is mercy for all creatures and sympathy for them regarding the chastisement set by Allaah (Exalted be He) for the disobedient. Also, calling people to Islaam signifies the establishment of the call which is dear to Allaah (Exalted be He) to leave its opponents with no excuse of ignorance... read more here.