Growth (when controlled for environment destruction and human rights) leads to helping the most people the fastest: https://press.stripe.com/#stubborn-attachments

You get that from proper incentives. Capitalism is mostly about creating an environment where people can leverage those incentives as easily as possible.

There's a deep irony that the system set up based on incentivizing and rewarding growth (and occasionally greed) has helped raise millions out of poverty while the systems based on altruism have led to the deaths of millions and massive amounts of suffering.