"Catching" is used in a variety of ways in the Bible, both positive and negative. Thieves get caught; the Egyptians caught up with the Children...
Priests' represent the Lord regarding His divine good. When they do not acknowledge the Lord, they lose their signification of the Lord.
Captains and Rulers (Jer. 51:23) signifies principal evils and falsities. Captains and Rulers (Ezek 33:6) signifies principal truths. See Chief Captains.