'Obligation' in the Bible

But you say, ‘If anyone says to his father or mother, “Whatever [money or resource that] I have that would help you is [already dedicated and] given to God,”

He said, ‘A hundred measures of [olive] oil.’ And he said to him, ‘Take your bill, and sit down quickly and write fifty.’

Then he said to another, ‘And how much do you owe?’ He said, ‘A hundred measures of wheat.’ He said to him, ‘Take your bill, and write eighty.’

So you too, when you have done everything that was assigned and commanded you, say, ‘We are unworthy servants [undeserving of praise or a reward, for we have not gone beyond our obligation]; we have merely done what we ought to do.’”

So if I, the Lord and the Teacher, washed your feet, you ought to wash one another’s feet as well.

I have a duty to perform and a debt to pay both to Greeks and to barbarians [the cultured and the uncultured], both to the wise and to the foolish.

Now to a laborer, his wages are not credited as a favor or a gift, but as an obligation [something owed to him].

Am I not free [unrestrained and exempt from any obligation]? Am I not an apostle? Have I not seen Jesus our [risen] Lord [in person]? Are you not [the result and proof of] my work in the Lord?

And all [of them] were baptized into Moses [into his safekeeping as their leader] in the cloud and in the sea;

Once more I solemnly affirm to every man who receives circumcision [as a supposed requirement of salvation], that he is under obligation and required to keep the whole Law.

But if a widow has children or grandchildren [who are adults], see to it that these first learn to show great respect to their own family [as their religious duty and natural obligation], and to compensate their parents or grandparents [for their upbringing]; for this is acceptable and pleasing in the sight of God.

If anyone fails to provide for his own, and especially for those of his own family, he has denied the faith [by disregarding its precepts] and is worse than an unbeliever [who fulfills his obligation in these matters].