He makes me to lie down in green pastures;
Yea, though I walk through the valley of the shadow
- a person who herds, tends, and guards sheep.
- a person who protects, guides, or watches over a person or group of people.
From that definition, it is safe to say that a Shepherd would naturally care for the sheep. An individual who is a leader should have a caring nature for and towards those whom he is leading or directing.