Who among the following was known as "Saifullah" (Sword of Allah)?
Q1. Who among the following was known as "Saifullah" (Sword of Allah)?
Answer: Khalid ibn al-Walid
Explanation: Hazrat Khalid ibn al-Walid (RA) was given the title "Saifullah" (Sword of Allah) by Prophet Muhammad (PBUH) himself after his conversion to Islam. He was an undefeated military general.