Question

what action is an example of one of the five pillars of islam

Answer 1

These are all of the pillars of Islam:
1. Shahada (Faith)
2. Salat (Prayer)
3. Zakat (Charity)
4. Sawm (Fasting)
5. Hajj (Pilgrimage to Makkah)

An example to Number 3 is when somebody gives charity to a poor person.

Hope this helps!