Islamic study

Name the first Sahabi who murdered disbeliever in the way of Allah?

Posted by

(a) Hazrat Saad bin Abi Waqqas (RA)
(b) Hazrat Umar (RA)
(c) Hazrat Hamza (RA)
(d) Hazrat Ali (RA)

See also  Name the fundamental pillar of Islam which was made Farz in 9 AH.