The proud are seeking to capture the writer or cause him to do wrong. This is spoken of as if they were hunters digging holes to trap the writer like an animal. (See: [[rc://en/ta/man/translate/figs-metaphor]])
This nominal adjective can be stated as an adjective. Alternate translation: "Proud people" or "Those who are proud" (See: [[rc://en/ta/man/translate/figs-nominaladj]])