Describe a character who is always striving to be the best at everything they do, no matter how big or small the task

Describe a character who is always striving to be the best at everything they do, no matter how big or small the task. This character is extremely competitive and always pushes themselves to go above and beyond their own capabilities. They are often seen as a perfectionist and can be overly hard on themselves when they do not meet their own high standards. Despite their intense drive and determination, they also have a kind and caring personality, always willing to help others succeed as well. This character’s relentless pursuit of excellence can sometimes be both their greatest strength and their biggest flaw.