Verses with the word hireling in the New Testament (2 verses):

John 10:12
But he that is an hireling, and not the shepherd, whose own the sheep are not, seeth the wolf coming, and leaveth the sheep, and fleeth: and the wolf catcheth them, and scattereth the sheep.

John 10:13
The hireling fleeth, because he is an hireling, and careth not for the sheep.