Which pillar of Islam is most important?

Q:

1. Among fasting, Salah, Zakat and Haj, which pillar is most important in order? 

2. What if someone does fasting or Haj and don't offer salah during fasting and Haj. Will his fast and Haj be accepted?

3. Are they independent of each other or dependent on one another?

A:

1. All are important.

2. His obligation will be fulfilled, though he will be a great sinner.

3. They are not dependant.

And Allah Ta'ala (الله تعالى) knows best.

Answered by:

Mufti Ebrahim Salejee (Isipingo Beach)