Dreaming of an ex-colleague often symbolizes unresolved feelings or unfinished business related to your professional life. This dream may reflect your subconscious mind trying to process past experiences or relationships in the workplace. It could represent lingering emotions such as regret, nostalgia, or even unresolved conflicts with this person. Alternatively, the presence of an ex-colleague in your dream might signify a need to revisit certain qualities or skills that you associate with that person. It could serve as a reminder to harness those attributes within yourself as you navigate your current career path. Overall, this dream suggests a need for reflection and introspection concerning your past professional connections and the impact they have had on you.