The deceitful things that wicked people say in order to harm other people are spoken of as if their words are waiting to kill someone by surprise. Alternate translation: "The deceitful things wicked people say are like a person who waits to kill someone by surprise" (See: [[rc://en/ta/man/translate/figs-metaphor]])
This refers to upright persons in general. This nominal adjective can be stated as an adjective. Alternate translation: "upright persons" or "righteous persons" or "honest persons" (See: [[rc://en/ta/man/translate/figs-nominaladj]])