As for the third
It's Zakat ...Poor Dues
including the different types of Zakat:
Zakat-Al-Fitr,Money Zakat,Crop Zakat ect
It is through Zakat that money and crops etc.are protected,hatred and spleen are overcome and love and affability are developed to be everywhere in hearts of the faithful
source : Islamic Selection for Al-Azhar Institutes
waiting me again for fourth pillar
المفضلات