Reference: Michael The Archangel
Morish
In Daniel he is called 'one of the chief princes,' 'your prince,' 'the great prince which standeth for the children of thy people.' He went to the assistance of one (probably an angel) who had been sent with a message to Daniel, but who had been detained twenty-one days by the prince of the kingdom of Persia (doubtless Satan, or one of Satan's angels, who was acting for the kingdom of Persia, as Michael was prince for the children of Israel). Da 10:13,21; 12:1. It is also said of Michael that when he contended with Satan about the body of Moses, he durst not bring a railing accusation against him, but said, "The Lord rebuke thee." Michael and his angels will however fight with Satan and his angels, and will prevail, and Satan will be cast out of that portion of heaven to which he now has access. Jude 1:9; Re 12:7: cf. Job 1:6; 2:1. These are illustrations of the conflict of good and evil spirits in the unseen universe.