While they were speaking with him, Rahel came with her father's sheep; for she was a shepherdess at that time, because there had been a plague from the Lord among the sheep of Laban, and but few of them were left, and he had dismissed his shepherds, and had put the remaining (flock) before Rahel his daughter.
Why Rachel Was the Shepherdess of Laban's Depleted Flock
Targum Pseudo-Jonathan on Genesis 29:9