Hired workers are not like the shepherd. They don't own the sheep, and when they see a wolf coming, they run off and leave the sheep. Then the wolf attacks and scatters the flock.
When Jesus and his disciples had finished eating, he asked, "Simon son of John, do you love me more than the others do?" Simon Peter answered, "Yes, Lord, you know I do!" "Then feed my lambs," Jesus said.
Look after yourselves and everyone the Holy Spirit has placed in your care. Be like shepherds to God's church. It is the flock that he bought with the blood of his own Son.
Just as shepherds watch over their sheep, you must watch over everyone God has placed in your care. Do it willingly in order to please God, and not simply because you think you must. Let it be something you want to do, instead of something you do merely to make money.
Sometimes false prophets spoke to the people of Israel. False teachers will also sneak in and speak harmful lies to you. But these teachers don't really belong to the Master who paid a great price for them, and they will quickly destroy themselves.