The phrase "unique individual" refers to a person who is unlike anyone else. They have their own special qualities, characteristics, and personality that make them different from others. Full definition
We all come into our marriages as unique individuals with different histories and relationship experiences. (goodtherapy.org)
Every decision in a prison is made for security reasons, which is why offenders are rarely treated as unique individuals with their own needs and aspirations. (firstthings.com)
I see each family as a group of unique individuals with the capacity to to learn, grow, and make positive contributions to others. (oraimh.org)