Two Birds.

He stood with his signboard of the Red Dojo to push them back while shouting to them, "Don't rush. Stay in a straight line. If you don't stay in a straight line, you won't get anything."

He shouted again as he kicked someone who didn't listen, "I said stay in a straight line."

These people don't know anything about him, so they don't know his rules. He had to patiently train them like he did with the children of the servants. 

But this bunch was more difficult to get into order because they didn't know his identity and were much more desperate. 

He wasn't their employer, so he couldn't get them fired like the servants. He was just some rich and generous boy to them. 

They were also very hungry. Many of them don't even know what they will eat that day, so they are very desperate to reach him and get the bread.