What does 2 Kings 2:12 mean?

Elisha saw it all and cried out, 'My father, my father! The chariots and horsemen of Israel!' Then he couldn't see Elijah anymore. Elisha tore his own clothes in grief. 2 Kings 2:12 - Modern Text Bible

(Elisha calls Elijah his spiritual father and recognizes his role as Israel's true defense. Tearing his clothes shows deep sorrow and respect.)