Chapter 16 of the Gita describes two broad sets of tendencies that appear in human beings: divine qualities that lead toward freedom, and demonic qualities that bind. It is easy to read this as sorting people into good and bad. A more useful reading is as a mirror. Most of us carry traces of both, and the chapter helps us notice which ones we feed.
The divine qualities are described as a healthy character. Gita 16.1 lists fearlessness, a pure heart, steady pursuit of knowledge, generosity, self-control, study, austerity and honesty, and Gita 16.2 adds harmlessness, truthfulness, calm without anger, compassion and gentleness. Gita 16.3 lists vigor, forgiveness, endurance and freedom from hatred and arrogance. Gita 16.5 says that divine qualities lead toward freedom while demonic qualities bind, and reassures Arjuna that he need not grieve, because he has a divine nature.
The demonic qualities are described in detail. Gita 16.4 names show-off religiosity, arrogance, conceit, anger and harshness, and Gita 16.10 says insatiable desire with pride and hypocrisy leads into delusion and impure aims. Gita 16.8 describes a worldview that sees no moral order or higher basis, and Gita 16.11 says that making sense pleasure the highest aim brings endless anxiety. Examine your own behavior honestly, correct early and take encouragement from the goodness you already have.