One of his young men, or one of his choice ministers, a chosen or excellent person; which may be emphatically added, to note that even great and good men may mistake and misjudge about the works of God. Or, from his youth, as the words will bear, and the Chaldee, Syriac, &c. render it. So it may be added as a reason why Joshua above others were concerned for Moses's honour and authority. He feared either schism or sedition, or that by their usurpation of authority independently upon Moses, and separately from him, his power and esteem might be lessened, as the next words show.
Related Commentaries of Numbers 11:28
Numbers 11:28
28 And Joshua the son of Nun, the servant of Moses, one of his young men, answered and said, My lord Moses, forbid them.