because of the angels: Angels are guardians of the world, ensuring everything follows God's plan (see Genesis 19:1–21; 22:11–12; Exodus 23:20; Numbers 22:22–23; Psalms 34:7; 91:11; 103:20–21; Hebrews 1:7, 14). Believers should act appropriately in front of others and God's observing angels (compare 1 Timothy 5:21).
ought to have a sign of authority on her head: should wear a covering on her head to show she is under authority.