messenger boy
errand boy

At the age of 9 he left school and took up work as an errand boy.

He left school early for a job as an errand boy but by the age of 12 was on stage.

He was a king, after all, not an errand boy.

To survive, he got a job at 9 as an errand boy.

He'd have sent one of his ordinary errand boys as he had before.

He left school a few months before graduation in 1890 and took a job as an errand boy.

His father got him a job as an errand boy in a factory.

"Are you going to be a good little errand boy and follow orders?"

Everyone's trading on the black market; every errand boy has something to offer.

Rogers left school at ten or earlier and became an errand boy.