There ran a young man and told Moses Fearing lest his authority should be diminished by their prophesying, and thereby taking power to themselves without his consent. Joshua, the servant of Moses Who ministered to him as his constant attendant. One of his young men Hebrew, מבחריו, mibechuraiv, one of his chosen ones; which may be emphatically added to signify that even great and good men may mistake about the works of God. My lord Moses, forbid them It would seem that he thought their prophesying or teaching in the camp tended to make those gifts common, and to disparage Moses in the eyes of the people; or, perhaps, he thought it tended to breed a schism, by calling the people away from the tabernacle, the appointed place of public worship, where the rest of the seventy elders were regularly assembled. Thus the disciples forbade one who cast out devils in Christ's name, because he followed not with them, Luke 9:49-50.
Related Commentaries of Numbers 11:27
Numbers 11:27-28
27 And there ran a young man, and told Moses, and said, Eldad and Medad do prophesy in the camp.
28 And Joshua the son of Nun, the servant of Moses, one of his young men, answered and said, My lord Moses, forbid them.