Definitions of shepherd:

• noun:   a clergyman who watches over a group of people
• noun:   a herder of sheep (on an open range); someone who keeps the sheep together in a flock
• verb:   tend as a shepherd, as of sheep or goats
• verb:   watch over like a shepherd, as a teacher of her pupils
• name:  A surname (common: 1 in 4761 families; popularity rank in the U.S.: #569)