'Duty' in the Bible

So after discharging this duty, and making sure that these kind gifts reach those for whom they are intended, I shall start for Spain, passing through Rome on my way there;

A husband should fulfill his marital responsibility to his wife, and likewise a wife to her husband.

Now for the third time I am ready to visit you. I will not burden you [financially], because I do not want what is yours [not your money or your possessions], but you. For children are not responsible to save up for their parents, but parents for their children.

Children, be obedient to your parents as a Christian duty, for it is a duty.

With right good will, be faithful to your duty as service rendered to the Lord and not to man.

Wives, be subject to your husbands [out of respect for their position as protector, and their accountability to God], as is proper and fitting in the Lord.

that I may make it clear [and speak boldly and unfold the mystery] in the way I should.

Now we command you, believers, in the name of our Lord Jesus Christ and by His authority, that you withdraw and keep away from every brother or sister who leads an undisciplined life and does not live in accordance with the tradition and teaching that you have received from us.

For you yourselves know how you ought to follow our example, because we did not act in an undisciplined or inappropriate manner when we were with you [we were never idle or lazy, nor did we avoid our duties],

Indeed, we hear that some among you are leading an undisciplined and inappropriate life, doing no work at all, but acting like busybodies [meddling in other people’s business].

But you, brethren, must not grow weary in the path of duty;

But if a widow has children or grandchildren, they should first learn to fulfill their duty toward their own household and so repay their parents what is owed them. For this is what pleases God.

No soldier on duty entangles himself in the affairs of life, that he may please him who enrolled him as a soldier.

But as for you, you must exercise habitual self-control, and not live a self-indulgent life, but do the duty of an evangelist and fully discharge the obligations of your office.

Therefore [on the basis of these facts], though I have enough confidence in Christ to order you to do what is appropriate,

For it is an acceptable thing with God, if, from a sense of duty to Him, a man patiently submits to wrong, when treated unjustly.

Give a shepherd's care to God's flock among you, exercising oversight not merely as a duty but willingly under God's direction, not for shameful profit but eagerly.

It is therefore our duty to show hospitality to such men, so that we may be fellow workers in promoting the truth.

And there between the throne (with the four living creatures) and among the elders I saw a Lamb (Christ) standing, [bearing scars and wounds] as though it had been slain, with seven horns (complete power) and with seven eyes (complete knowledge), which are the seven Spirits of God who have been sent [on duty] into all the earth.