People that are put in a position where it is their responsibility to lead other people have to ensure that they do what they can to keep things in their group or organization running smoothly. Toxic leaders are leaders that cause problems to the group and leave the people they lead in worse condition than when they found them. Make sure you avoid being one of the toxic leaders that can cause harm to people that they lead.
Toxic leaders tend to be aggressive, have perfectionist attitudes, and feel like they are superior to the people that they lead. Try to take a note of your current leadership characteristics and make sure none of them align with traditional elements of toxic leadership. With the right kind of leadership it will be easier for you to be certain that your organization or group is lead down the path to success.