The sentence "Don't be the hero, or the expert, or the rescuer, just walk beside them," conveys the idea of empathy and support without assuming a superior or authoritative role. It suggests that instead of trying to solve someone's problems or take charge of a situation, it's often more meaningful to offer companionship and understanding. The phrase encourages being present for others, standing by their side, and showing solidarity without imposing one's opinions or solutions. It emphasizes the value of empathy, companionship, and shared experiences in building genuine connections and offering genuine support to others.