He must repay benefits with benefits.

He cannot permit the burden of obligation to remain upon him.

Go to the door, Victor, and see if any one is lurking there." Young Woodville went to the entrance and returned with word that no one was near.
"Victor," resumed Colonel Woodville, "this man Slade, who was so preposterously wrong, this common overseer from the hostile section which seeks with force to put us down, this miserable fellow who had the presumption to suspect me, lying here with a wound, received in the defense of the Confederacy, was nevertheless right." Victor stared, not understanding, and Colonel Woodville raised himself a little higher on his pillows.
"Since when," he asked of all the world, "has a Woodville refused to pay his debts?
Since when has a Woodville refused asylum to one who protected him and his in the hour of danger?
Margaret, lift the blanket and invite our young friend in." Dick was on his feet in an instant, and came into the chamber, uttering thanks to the man who, in spite of so much bitterness against his cause, could yet shelter him.
Young Woodville exclaimed in surprise.
"The Yankee with whom I fought at Bellevue!" he said.
"And the one who ignored your presence at Jackson," said Miss Woodville.
The two lads shook hands.
"And now," said Colonel Woodville, his old sharpness returning, "we shall be on even terms, young sir.

Your uniform bears a faint resemblance to that of your own army, and Slade, cunning and cruel, may have had you shot as a spy.

You would be taken within our lines and this is no time for long examinations." "I know how much I owe you, sir," said Dick, "and I know how much danger my presence here brings upon you.