Deuteronomy 15:18
Let it not seem hard unto thee, when thou sendest him away free from thee; for double the worth of a hired servant hath he been to thee, in serving thee six years; and Jehovah thy God will bless thee in all that thou doest.
Isaiah 16:14
And now Jehovah speaketh saying, Within three years, as the years of a hired servant, and the glory of Moab shall be brought to nothing, with all that great multitude; and the remnant shall be small, few, of no account.
Isaiah 21:16
For thus hath the Lord said unto me: Within a year, according to the years of a hired servant, and all the glory of Kedar shall fail;
Luke 17:7-8
But which of you is there who, having a bondman ploughing or shepherding, when he comes in out of the field, will say, Come and lie down immediately to table?