Many members of the challenged population are in wheelchairs or use walkers. Some have mild mental retardation, cerebral palsy, autism, bipolar disorder, cognitive disabilities, spina bifida, dyslexia, a brain injury, or behavioral issues.

They make up a significant portion of the population, but not enough people have tried to understand and help them.

Abdul H. Gabisi, a caregiver who has worked with intellectually and developmentally challenged individuals for twelve years, looks back at the special and heartfelt moments he's enjoyed serving them--celebrating their...