 It means that when you are leading a flock, you are protecting it. You're making it look as, I mean, depending on what you're planning on doing with the flock of sheep you have, selling it for meat or taking care of it for a farmer who will do with it. You take care of it, right? You grow it. You make it healthy. You make it safe. That's what LeBron James is doing. He's being a good shepherd.