'Labouring' in the Bible

There is one alone and without a second; also he hath neither son nor brother: yet is there no end of all his labour, neither is his eye satisfied with riches, and he saith not, For whom then am I labouring, and depriving my soul of good? This also is vanity and a grievous occupation.

Enjoy life with the wife whom thou lovest all the days of the life of thy vanity, which he hath given thee under the sun, all the days of thy vanity; for that is thy portion in life, and in thy labour wherein thou art labouring under the sun.

And seeing them labouring in rowing, for the wind was contrary to them, about the fourth watch of the night he comes to them walking on the sea, and would have passed them by.

I have shewed you all things, that thus labouring we ought to come in aid of the weak, and to remember the words of the Lord Jesus, that he himself said, It is more blessed to give than to receive.

that ye should also be subject to such, and to every one joined in the work and labouring.

ye also labouring together by supplication for us that the gift towards us, through means of many persons, may be the subject of the thanksgiving of many for us.

Only conduct yourselves worthily of the glad tidings of the Christ, in order that whether coming and seeing you, or absent, I may hear of what concerns you, that ye stand firm in one spirit, with one soul, labouring together in the same conflict with the faith of the glad tidings;

Let the elders who take the lead among the saints well be esteemed worthy of double honour, specially those labouring in word and teaching;