"You see he is talking to some one of his own people.

They understand that.

There are a lot of Germans from the Settlement, Freiberg, you know." As she spoke Switzer emerged from behind the shack, driving before him a cringing creature evidently in abject terror of him.

"Get back to your gang and carry out your orders, or you will get your time." He caught sight of the car and stopped abruptly, and, waving his hand imperiously to the workman, strode up to the party, followed by a mild-looking man in spectacles.
"Came to see how you are getting on, Switzer, eh, what ?" said Tom.
"Getting on," he replied in a loud voice, raising his hat in salutation.
"How can one get on with a lot of stupid fools who cannot carry out instructions and dare to substitute their own ideas for commands.

They need discipline.