SADAQAH

Giving charity on a voluntary basis in the name of Allah (swt) is known as sadaqah (for the cause of Allah). A snile can be charity even.

A voluntary act of kindness toward another being, whether motivated by charity, love, compassion, or faith, is also referred to as sadaqah. These deeds need not be materialistic or costly. Simple gestures of kindness like a smile or a helping hand are regarded as Sadaqah.