What the word means
The English word archangel comes from a Greek word meaning chief angel or leading angel. It appears only twice in the New Testament. Jude calls Michael an archangel, and Paul says the Lord Jesus will descend from heaven with the voice of an archangel (Jude 1:9; 1 Thessalonians 4:16).
That doesn't give us a complete chart of heaven. It does show that there are angels with differing roles and responsibilities. Scripture is careful about what it reveals, so it is wise not to build certainty on stories, traditions, or speculation beyond the text.
Yet Michael the archangel, when contending with the devil he disputed about the body of Moses, durst not bring against him a railing accusation, but said, The Lord rebuke thee.
Michael is named
Michael is the only angel whom the Bible explicitly calls an archangel. Daniel describes him as one of the chief princes and as a protector connected with Daniel's people (Daniel 10:13; Daniel 12:1). These descriptions suggest that Michael has a significant place in God's work.
Revelation pictures Michael and his angels fighting against the dragon and its angels. Yet Michael is never presented as God's equal. He acts under God's authority, and even in Jude's account he leaves judgement to the Lord (Jude 1:9; Revelation 12:7-9).
And there was war in heaven: Michael and his angels fought against the dragon; and the dragon fought and his angels, And prevailed not; neither was their place found any more in heaven. And the great dragon was cast out, that old serpent, called the Devil, and Satan, which deceiveth the whole world: he was cast out into the earth, and his angels were cast out with him.
Gabriel's title is unstated
Gabriel is often called an archangel in Christian conversation, but the Bible itself does not use that title for him. It does show him bringing vital messages. He helps Daniel understand a vision, announces John the Baptist's birth to Zechariah, and is sent to Mary with news of Jesus' birth (Daniel 8:16; Luke 1:19; Luke 1:26-27).
So Gabriel clearly has an important ministry as God's messenger. Still, it is best to let the Bible's wording set the boundaries. Michael is called an archangel. Gabriel is named as a messenger. Beyond that, Scripture does not say.
Keep worship centred on God
Angels are real, powerful, and sometimes startling in the Bible. But they are servants of God, sent in keeping with his purposes (Hebrews 1:14). When John fell before an angel in Revelation, the angel stopped him and directed him to worship God (Revelation 19:10).
Christians agree that angels are not to be worshipped. Christians differ, however, on whether it is appropriate to ask angels for intercession. Roman Catholic and Eastern Orthodox believers may make that distinction, while many Protestants pray directly to God alone. Whatever view a person holds, Revelation's scene makes the central point clear: worship belongs to God.
Curiosity about archangels is understandable. Read these passages for yourself. They offer a window into God's unseen world, but they also turn our attention back to the Lord who commands every heavenly servant.