Islam instils in its adherents – to not react in the face of misuse of freedom of expression but to handle it gently and with prudence. As per another tradition, the caliph Umar ibn al-Khattab was once
him as ‘blasphemer’. This is similar to referring someone with nicknames, which is discouraged in Islam:
Do not call each other by [offensive] nicknames. (Quran 49:11)
A person never says he is committing
attempt to address the mind of the other person by healthy discussion and providing him with books on Islam. The option to kill does not exist.