Lyric discussion by dm.tym 

Cover art for Bellies Are Full lyrics by Portugal. The Man

I have to think it is indeed about two different societies. The poor man in wealth but rich in life VS the rich man in wealth poor in life.

The poor man has to struggle to make a living but he's willing to work hard and he's proud of where he comes from. He's glad he's not rich and wouldn't want to because he's full of life and love.

"don't you feed them hungry or hold somebody when you're sleeping through that night all alone"

^Feed them hungry and hold somebody when you're alone contradict each other. I believe that's the point. You'll never feel really full like we do because you're hungry for a real life. Instead of "feeding" you use gluttony. Almost as if, eating to fill a void. (Not neccesarily limited to just food though). Holding somebody when you're really alone. They're with somebody but not out of love so therefore they feel empty and lonely.

Lastly,

"hold tight maybe we're all hungry and lonely cause those fires don't burn well alone"

I think he's lamenting here. I think he feels hungry and lonely because he doesn't share love with somebody