Two Kinds of Angels - Good and Evil 

Daniel 10:12-14    "...then he said to me, do not fear, Daniel, for from the first day that you set your heart to understand, and to humble yourself before your God your words were heard, and I have come because of your words. But the prince of the kingdom of Persia withstood me twenty-one days, and behold Michael, one of the chief princes came to help me, for I had been left alone there with the kings of Persia. Now I have come to make you understand what will happen to your people in the latter days, for the vision refers to many days yet to come." 

Matthew 25:41    "Then he will say to those at his left hand, 'Depart from me, you cursed, in to the eternal fire prepared for the devil and his angels;'" 

II Corinthians 11:13-15     "For such men are false apostles, deceitful workmen, disguising themselves as apostles of Christ. And no wonder, for even Satan disguises himself as an angle of light. So it is not strange if his servants also disguise themselves as servants of righteousness. Their end will correspond to their deeds." 

What Do They Do? 
Rescue, Guard, Keep, Protect, Bring us messages from God, Fight our Battles, Carry out God's Desires 

Hebrews 1:13-14  "But to what angel has He ever said, 'Sit at my right hand, till I make they enemies a stool for they feet'? Are they not all ministering spirits sent forth to serve, for the sake of those who are to obtain salvation?" 

1st Kings 19:5   And as he lay and slept under a juniper tree, behold, then an angel touched him, and said unto him, Arise and eat. 

Acts 5:17-21   "But the high priest rose up and all who were with him, that is, the party of the Sadducees, and filled with jealousy they arrested the apostles and put them in the common prison. But at night an angel of the Lord opened the prison doors and brought them out and said, 'Go and stand in the temple and speak to the people all the words of this Life.' And when they heard this, they entered the temple at daybreak and taught." 

Genesis 19:15    "When morning dawned, the angels urged Lot, saying, "Arise, take your wife and your two daughters who are here, lest you be consumed in the punishment of the city." 

Psalm 91:11-12    "For He will give His angels charge of you, to guard you in all your ways. On their hands they will bear you up, lest you dash your foot against a stone." 

Exodus 33:2   "And I will send an angel before you, and I will drive out the Canaanites, the Amorites, the Hittites, the Perizzites, the Hivites, and the Jebusites." 

Luke 1:11   "And the angel answered him, 'I am Gabriel, who stand in the presence of God; and I was sent to speak to you , and to bring you this good news." 

Acts 8:26-29   "But an angel of the Lord said to Philip, 'Rise and go toward the south to the road that goes down from Jerusalem to Gaza.' This is a desert road. And he rose and went. And behold, an Ethiopian, a eunuch, a minister of the Candace, queen of the Ethiopians, in charge of all her treasure, had come to Jerusalem to worship and was returning; seated in his chariot, he was reading the prophet Isaiah. And the Spirit said to Philip, 'Go up and join this chariot.'" 

Matthew 13:41-42    "The Son of man will send his angels, and they will gather out of his kingdom all causes of sin and all evildoers, and throw them into the furnace of fire; there men will weep and gnash their teeth." 

How Do We Get Them to Help Us?
They Come as a result of prayer and belief in God 

Acts 12:5-8    "So Peter was kept in prison; but earnest prayer for him was made to God by the church. The very night when Herod was about to bring him out, Peter was sleeping between two soldiers, bound with two chains, and sentries before the door were guarding the prison; and behold, an angel of the Lord appeared, and a light shone in the cell; and he struck Peter on the side  and woke him, saying, 'Get up quickly.' And the chains fell off his hands. And the angel said to him, 'Dress yourself and put on your sandals.' And he did so. And he said to him, 'Wrap your mantle around you and follow me.' 

Luke 1: 19, 26  And the angel answering said unto him,  I am Gabriel, that stand in the presence of God; and am sent to speak unto thee, and to shew thee these glad tidings. And in the sixth month the angel Gabriel was  sent from God unto a city of Galilee,  named Nazareth,..." 

How Do We See Them? 
In Dreams, In Visions, in Person 

Matthew 1:20.    "But while he thought on these things, behold, the angel of the Lord appeared unto him in a dream, saying, Joseph, thou son of David, fear not  to take unto thee Mary thy wife; for that which is conceived in her is of the Holy Ghost." 

Isaiah 6:1-2    "In the year that king Uzziah died I saw  the also the Lord sitting upon a throne, high and lifted  up, and his train filled the temple. Above it stood the seraphims: each one had six wings; with twain he covered his face, with twain he covered his feet, and with twain he did fly." 

Daniel 8:15-17    "And when it came to pass, when I,  even I Daniel, had seen the vision, and sought for the meaning, then, behold, there stood before me as the appearance of a man. And I heard a man's voice  between the banksof Ulai, which called, and  said, Gabriel, make this man to understand the vision." 

Numbers 22:23    "And the ass saw the angel of the Lord standing in the way, and his sword drawn in his hand: and the ass turned aside out of the way, and went into the field: and Balaam smote the ass, to turn her the other way." 

Daniel 10:5-6, 7     "Then I lifted up mine eyes, and looked, and behold a certain man clothed in linen, whose loins were girded with fine gold of Uphaz: His body also was like the beryl, and his face as the appearance of lightening, and his eyes as the lamps of fire, and his arms and his feet like in color to polished brass, and the voice of his words like the voice of a multitude. And I Daniel alone saw the vision: for the men that were with me saw not the vision; but a great quaking fell upon them, so that they fled to hide themselves." 

Zechariah 5:9   "Then lifted I up mine eyes, and looked, and behold, there came out two women, and the wind was in their wings; for they had wings like the wings of a stork: and they lifted up the ephah between the earth and the heaven." 

Isaiah 6:2   "Above it stood the seraphims: each one had six wings; with twain he covered his face, with twain he covered his feet, and with twain he did fly." 

Ezekiel 1:5-6   "Also out of the midst thereof came the likeness of four living creatures. And this was their appearance; they had the likeness of a man. And every one had four faces, and every one had four wings." 

Daniel 9:21   "Yea, whiles I was speaking, and in prayer, even the man Gabriel, whom I had seen in the vision at the beginning, being caused to fly swiftly, touched me about the time of the evening oblation." 

Revelation 14:6    "And I saw another angel fly in the midst of heaven, having the everlasting gospel to preach unto them that dwell on the earth, and to every nation, and kindred, and tongue, and people." 

Should We Worship The Angels   pray to them, talk to them as if they are God? God says "No!"

Colossians 2:18  Let no man beguile you of your reward in a voluntary humility and worshipping of angels, intruding into those things which he hath not seen, vainly puffed up by his fleshly mind, ? 

Revelation 19:10; 22:9   And I fell at his feet to worship him, And he said unto me, See thou do it not: I am thy fellowservant, and of thy brethren that have testimony of Jesus: worship God: for the testimony of Jesus is the spirit of prophecy.  Then he saith unto me, See thou do it not: for I am thy fellowservant, and of thy brethren the prophets, and of them which keep the sayings of this book: worship God.