This verse suggests that there are angels from another source! Angels of satan! These are the evil spirits that we read much about during the ministry of Jesus. He often blamed demonic activity for sickness or infirmity and had no hesitation in casting out those demons. Sometimes with dramatic effect.

God does not want us to live in fear! Yet so many Christians are afraid of so many things. Illness, loneliness, financial difficulties, and in many parts of the world believers have reason to be fearful for their lives. But God constantly repeats His assurance. We have nothing to fear.

Sarah, frustrated at having no children, took things into her own hands and gave her servant to Abraham in order to have children by proxy. Once Hagar was pregnant Sarah was not as happy as she had hoped, jealousy took root in her. She blamed Abraham, and Hagar was sent away.