This is what happened when a person was prejudiced towards a language (whether it be Urdu, Arabic or otherwise) as explained to us by Maulana Sa'd in Nizamuddin Markaz. The Incident Between Ibn Mataatiyyah and Hadhrat Mu'aadh Radhiyallah 'anhu and the Lecture that Rasulullah Sallallahu 'alaihi wa sallam Delivered in this Regard Hadhrat Abu Salamah bin Abdur Rahmaan reports that Qais bin Mataatiyyah once came to a gathering that included Hadhrat Salmaan Faarsi, Hadhrat Suhayb Roomi and Hadhrat Bilaal Habshi Radhiyallahu 'anhum He remarked, "Here (in the gathering) are the Aws and Khazraj tribes who have stood up to assist that man (Rasulullah Sallallahu 'alaihi wa sallam) (this I can understand because they are Arab and people of standing). However, what is the matter with these other people (these poor non-Arabs who have no social standing? Of what use are they)?" Hadhrat Mu'aadh Radhiyallahu 'anhu stood up and and grabbing Ibn Mataatiyyah by the collar, brought him to Rasulullah Sallallahu 'alaihi wa sallam. When Hadhrat Mu'aadh reported the statement, Rasulullah Sallallahu 'alaihi wa sallam stood up in anger and pulling his shawl along, he entered the Masjid. The announcement "Gather for Salaah" was made (to assemble the people) and after duly praising Allaah, Rasulullah Sallallahu 'alaihi wa sallam said, "O people! Verily your Rabb is but One Rabb, your father (Aadam 'Alayhis salaam) is but one father and your Deen is but one Deen. Take note that Arabic is neither your father nor your mother. It is merely a language and whoever speaks Arabic is therefore Arab." Still holding on to the collar of Ibn Mataatiyyah, Hadhrat Mu'aadh Radhiyallah 'anhu asked, "O Rasulullah Sallallahu 'alaihi wa sallam! What is your instruction concerning this Munaafiq?" "Leave him to the Fire of Jahannam!" replied Rasulullah Sallallahu 'alaihi wa sallam. Ibn Mataatiyyah was therefore amongst those who left the fold of Islaam was killed in this condition. (Ibn Asaakir, as quoted in Kanzul Ummal (Vol.7 pg.46) Excerpt from Hayatus Sahabah 2nd Vol.)