Kass followed Clavia at a far more sedate pace, unsure exactly what the power structure around the town was that people who had started to move towards the young queen to say 'hello' stopped when they saw Clavia jog by, but he assumed that it had to do with a privilege the village leadership had, and therefore not one he had.
That, and it would be rude to overwhelm the queen with his own hello before she had a chance to return Clavia's.