Judges 6:11 (WEB)
The LORD’s angel came and sat under the oak which was in Ophrah, that belonged to Joash the Abiezrite. His son Gideon was beating out wheat in the wine press, to hide it from the Midianites.
Catechism · 1
“…hand; communicated the law by their ministry; led the People of God; announced births and callings; and assisted the prophets, just to cite a few examples.” — Catechism footnote: Cf. Job 38:7 (where angels are called "sons of God"); Gen 3:24; 19; 21: 17; 22:11; Acts 7:53; Ex 23:20-23; Judg 13; 6:11-24; Is 6:6; 1 Kings 19:5.