It's wrong to ignore someone who is hungry.
Jim is eating a big sandwich for lunch when he sees a beggar who looks like he hasn't eaten in a while stare at his food.
Jim wants to finish his lunch.
Alex buys the beggar a sandwich then finishes up his own sandwich.
Jim pretends he doesn't see the beggar and eats his lunch.
The beggar feels much better after eating the sandwich and his day is improved.
The beggar goes hungry that day and is very unhappy.