And he pays his taxes, outlined by said government. If there is a failure to deliver on the goods/services promised by the government, it's not his responsibility to make up for the shortfalls. It'd be nice if he did, but that's getting ahead of ourselves.
Government does not promise to magically take care of everything. And even if they did, the citizens run the government. Any shortfalls in government are ultimately the responsibility of the citizens.
It's not a legal requirement. It's a moral requirement. It's your country, your state, your city. It's your government. You are legally allowed to shirk some of your duties, although not all of them, but that doesn't make you less of a shirker..
Parenting is similar: there are a lot of ways to be a shitty parent that don't rise to the legal level of neglect.
"Of, by, and for the people" is not subjective. Neither is the people replacing the sovereign. Nor the nature of a community as a collaborative enterprise.