Final answer:
The Buddha was the first person to achieve enlightenment and share his teachings with others, laying the foundation for the religion of Buddhism.
Step-by-step explanation:
The main difference between the Buddha and other humans who attain enlightenment is that the Buddha was the first person to achieve enlightenment and share his teachings with others. While other humans can also attain enlightenment, the Buddha's enlightenment is considered unique and significant.
The word 'Buddha' means 'the awakened one.' It refers to someone who has gained insight into the true nature of reality and has achieved freedom from suffering.
Unlike other humans who attain enlightenment, the Buddha's teachings and practices laid the foundation for the religion of Buddhism and influenced its spread across Asia.