The man devoured an entire Meat Cheese Pie in front of Arthur. The latter stared at him as if he was a clone, and began seeing the resemblance that the man had to the Knight of Loyalty that Arthur had once seen die in front of him.
King Solomon of Freda appointed several people as his knights, like the Knight of Courage or the Knight of Patience. All these knights were named after virtues that embodied how a good knight should be.
The first knight that Arthur met in Alka was one in the mansion of the serpent woman, where he was treated as a slave. The man died in the barracks after revealing his true identity as the Knight of Loyalty and gave Arthur a medal.
That was the previous timeline.
Arthur used his paradoxical choices to overwrite the timeline and send memories to an alternate one where those choices never happened. That ensured that Arthur wouldn't be forced to lose Diana, and he would never reach Alka.