When collecting ransoms, hard currency was not the only thing nobles had to exchange.
If things were tight and they were short on coin, there were many precedents to them paying it back in other ways- such as political concessions, agreeing to certain policies even if it hurt their own interests, marrying their children to form various alliances, etc.
And as Lord Kite kept constantly bugging him, Alexander suddenly found he could use the desperation to get quite a few things like this from him.
Hence just as the nobleman was giving up, Alexander made this offer.
And it instantly made the other side's eyes light up with joy! As long as Alexander was willing to talk, it meant there was hope.
Thus letting go of all his weariness, Lord Kite made the offer with a crafty grin, "Then what does my lord have in mind… something like our 'goodwill?'
Alexander was glad to see he was working with a clever man.