Deuteronomy 15:18
It shall not seem hard unto thee when thou sendest him away free from thee, for he has served thee for half the cost of a hired servant for six years; and the LORD thy God shall bless thee in all that thou doest.
Isaiah 16:14
But now the LORD has spoken, saying, Within three years, as a hireling counts the years, the glory of Moab shall be cast down, with all her great multitude; and the remnant shall be few, small and feeble.
Isaiah 21:16
For thus has the Lord said unto me, Within a year, according to the years of a hireling, all the glory of Kedar shall be undone:
Luke 17:7-8
But which of you, having a slave plowing or feeding cattle, will say unto him by and by when he is come from the field, Go and sit down at the table?