The phrase "a scrupulous man" is correct and usable in written English.
It can be used to describe a man who is diligent, thorough, and attentive to detail, especially in matters of ethics and morality.
Example: "In his dealings with clients, he is known as a scrupulous man who always adheres to the highest standards of integrity."
Alternatives: "a meticulous man" or "an ethical man".
But if he were really a smart man – or a really scrupulous man – he wouldn't have set foot on this stage.
So far as I can tell, Balls is a scrupulous and honest man: in the past he has gone out of his way to pay large tax bills, rather than find ways of avoiding them.
In addition, his photographic memory was renowned, and he was universally respected as a scrupulous and honest man".
Where Darwin's other biographers have seen a sensitive and kindly man, a scrupulous scientist who willingly credited his predecessors, Wilson finds a greedy "self-mythologizer" desperate to become famous, even if it required ignoring or plagiarizing his forerunners and fellow naturalists.
It now seems possible to conclude, however, that the most striking accomplishments of his reign bear the ultimate impress of the complex personality of a scrupulous, suspicious, rigorous, visionary, determined man who fervently believed himself called by God to act as judge of the morals and welfare of his subjects.
Even from a scrupulously honest man, such a tale would strain credulity, and Russell is neither scrupulous nor honest.
He showed himself so law-abiding and scrupulous a man that in so great a danger of his native land he made duty a matter of earnest thought and was unwilling to hand down to posterity the example of an illegal act.
Beethoven was a not a very nice man either, nor always a scrupulous one.
From his roles as a scrupulous prohibition officer on Boardwalk Empire to a vindictive villain in Man of Steel, Michael Shannon is bound by nothing his intensity shatters any notion of what a character should be.
