Final answer:
In the book of Habakkuk, the Chaldean warriors were gloating as though about to devour, implying a sense of superiority over anyone who opposed them.
Step-by-step explanation:
In the book of Habakkuk, the warriors referred to as 'his' are the Chaldean warriors. In Habakkuk 3:14, it mentions that the Chaldean warriors were gloating as though about to devour. The correct answer choice from the given options would be 4) Anyone who opposed them. This is because the passage implies that the Chaldean warriors had a sense of superiority and were gloating over anyone who stood against them.