Verses with the word labourers in the New Testament (8 verses):

Matthew 9:37
Then saith he unto his disciples, The harvest truly is plenteous, but the labourers are few;

Matthew 9:38
Pray ye therefore the Lord of the harvest, that he will send forth labourers into his harvest.

Matthew 20:1
For the kingdom of heaven is like unto a man that is an householder, which went out early in the morning to hire labourers into his vineyard.

Matthew 20:2
And when he had agreed with the labourers for a penny a day, he sent them into his vineyard.

Matthew 20:8
So when even was come, the lord of the vineyard saith unto his steward, Call the labourers, and give them their hire, beginning from the last unto the first.

Luke 10:2
Therefore said he unto them, The harvest truly is great, but the labourers are few: pray ye therefore the Lord of the harvest, that he would send forth labourers into his harvest.

1 Corinthians 3:9
For we are labourers together with God: ye are God's husbandry, ye are God's building.

James 5:4
Behold, the hire of the labourers who have reaped down your fields, which is of you kept back by fraud, crieth: and the cries of them which have reaped are entered into the ears of the Lord of sabaoth.