What gambling? Play online gambling or play gambling in real life? For online gambling, it will harm your reputation only if you are addicted. You may forget to have more time for your family, neighbors, or friends once you are too serious about playing gambling. And you probably prefer a debt loan and traped on it if you cannot manage/limit your funds. While playing gambling in real life, people usually think negatively when they know it. This happens immediately and spreads fast.