Michael

A heavenly messenger comes to Daniel after being delayed twenty-one days by opposition, until “Michael, one of the chief princes, came to help me.” Later the same messenger calls Michael “your prince,” the one standing with Daniel’s people. Revelation 12 gives the third glimpse: “Michael and his angels fought against the dragon.” In each place Michael is an angel who takes up a battle on behalf of God’s people, and the text says little more about him. Christians read these passages with different degrees of detail, but all three describe help arriving from beyond what can be seen.

3 verses

Daniel

Daniel 10:13

But the prince of the kingdom of Persia withstood me one and twenty days: but, lo, Michael, one of the chief princes, came to help me; and I remained there with the kings of Persia.

Daniel 10:21

But I will shew thee that which is noted in the scripture of truth: and there is none that holdeth with me in these things, but Michael your prince.

Revelation

Revelation 12:7

And there was war in heaven: Michael and his angels fought against the dragon; and the dragon fought and his angels,

From Easton's Bible Dictionary

Matthew George Easton, 1897

Who is like God? (1.) The title given to one of the chief angels (Dan. 10:13, 21; 12:1). He had special charge of Israel as a nation. He disputed with Satan (Jude 1:9) about the body of Moses. He is also represented as warning against “that old serpent, called the Devil, and Satan, which deceiveth the whole world” (Rev. 12:7-9).

(2.) The father of Sethur, the spy selected to represent Asher (Num. 13:13).

(3.) 1 Chr. 7:3, a chief of the tribe of Issachar.

(4.) 1 Chr. 8:16, a Benjamite.

(5.) A chief Gadite in Bashan (1 Chr. 5:13).

(6.) A Manassite, “a captain of thousands” who joined David at Ziklag (1 Chr. 12:20).

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(7.) A Gershonite Levite (1 Chr. 6:40).

(8.) The father of Omri (1 Chr. 27:18).

(9.) One of the sons of king Jehoshaphat (2 Chr. 21:2, 4). He was murdered by his brother Jehoram.

From Smith's Bible Dictionary

William Smith, 1884

(who is like God?).

(1.) An Asherite, father of Sethur, one of the twelve spies. (Numbers 13:13)

(2.) One of the Gadites who settled in the land of Bashan. (1 Chronicles 5:13)

(3.) Another Gadite, ancestor of Abihail. (1 Chronicles 5:14)

(4.) A Gershionite Levite, ancestor of Asaph. (1 Chronicles 6:40)

(5.) One of the five sons of Izrahiah, of the tribe of Issachar. (1 Chronicles 7:3)

(6.) A Benjamite of the sons of Beriah. (1 Chronicles 8:16)

(7.) One of the captains of the "thousands" of Manasseh who joined David at Ziklag. (1 Chronicles 12:20)

(8.) The father or ancestor of Omri, chief of the tribe of Issachar in the reign of David. (1 Chronicles 27:18)

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(9.) One of the sons of Jehoshaphat who were murdered by their elder brother, Jehoram. (2 Chronicles 21:2,4)

(10.) The father or ancestor of Zebadiah, of the sons of Shephatiah. (Ezra 8:8)

(11.) "One," or "the first, of the chief princes" or archangels, (Daniel 10:21) as the "prince" of Israel, and in ch. (Daniel 12:1) as "the great prince which standeth" in time conflict "for the children of thy people."