'Assistance' in the Bible

Barnabas, however, came to his assistance. He brought Saul to the Apostles, and related to them how, on his journey, he had seen the Lord, and that the Lord had spoken to him, and how in Damascus he had fearlessly taught in the name of Jesus.

that you may receive her in the Lord [with love and hospitality], as God’s people ought to receive one another. And that you may help her in whatever matter she may require assistance from you, for she has been a helper of many, including myself.

At my first defense, no one stood by me, but everyone deserted me. May it not be counted against them.

Are not all the angels ministering spirits sent out [by God] to serve (accompany, protect) those who will inherit salvation? [Of course they are!]