1. As a person who earns money to support a family:
* Haligi ng tahanan (literally "pillar of the house")
* Pinagkakakitaan (literally "source of income")
* Kumikita para sa pamilya (literally "earns for the family")
2. As a person or thing that provides sustenance or support:
* Tagapagtaguyod (literally "supporter")
* Tagapagbigay ng kabuhayan (literally "provider of livelihood")
The most common and widely used translation is haligi ng tahanan.
It's important to consider the specific context when choosing the best translation.