Doesn't do what they are supposed to be according to biblical principles?

What do you do when a partner, whether in business or otherwise doesn’t do what they are supposed to do, according to biblical principles? -Find (answers) by asking, seeking, and knocking as The Bible teaches.

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When there is a valid reason for a "yes," or a "no" that it makes more sense.

Humor principle example:

Why did the child say no to the parent? - The Parrot echoed “No” so much the child got used to it.