Gen 28:12 And he (Jacob) dreamed, and behold
a ladder set up on the earth, and the top of it reached to heaven: and behold the angels of God ascending and descending on it.
The word "angel" also means messenger.
32 aggelov aggelos ang'-el-os
1) a messenger, envoy, one who is sent, an angel, a messenger from God
Revelation 19:10 And I fell at his feet to worship him (Jesus' angel or messenger of Rev 1:1 giving John the Revelation of Christ). And he said unto me, See thou do it not: I am thy fellowservant, and of thy brethren that have the testimony of Jesus: worship God: for the testimony of Jesus is the spirit of prophecy.
Revelation 22:9 Then saith he 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.
Take a look at Genesis 19:1. "And there came
two angels to Sodom at even; and Lot sat in the gate of Sodom: and Lot seeing them rose up to meet them; and he bowed himself with his face toward the ground;
These angels went to Sodom and into Lot's house and then we read in Genesis 19:10 they are
called "Men."
Genesis 19:10. "But the men put forth their hand, and pulled Lot into the house to them, and shut to the door."
Hebrews 13:2: "Be not forgetful to entertain strangers: for thereby some have entertained angels (messengers) unawares." These can be your own pastor God is using to send you a message, or evangelists you come in contact with.