Why did Peter cut off the ear of Malchus, one of the people trying to arrest Jesus?

Why did Peter cut off the ear of Malchus, one of the people trying to arrest Jesus? Why did Jesus then heal Malchus’s ear?

File:The arrest of Christ - the kiss of Judas; the ear of Malchus cut off by St. Peter - Book of hours Simon de Varie - KB 74 G37a - 020r min.jpg - Wikimedia Commons

Jesus Heals Malchus, The High Priest's Servant, During His Arrest – The Additional Needs Blogfather

John 18:10 Then Simon Peter drew his sword and struck the servant of the high priest, cutting off his right ear. The servant's name was Malchus.

What was the significance of Jesus healing the soldier's ear that

Ear of malchus hi-res stock photography and images - Alamy

The arrest of Christ, the ear of Malchus cut off by St. Peter; the Agony in the Garden: Christ prays in Gethsemane (background) - PICRYL - Public Domain Media Search Engine Public

The arrest of Christ: the kiss of Judas; the ear of Malchus cut

Peter Denies Jesus

Peter, Cuts of the Guards Ear ⋆ Diana Leagh Matthews

The Hour Has Come: The Arrest and Priest's Trial of Jesus - Logos Sermons