What exactly is considered a workaholic? There is no universally accepted medical definition. But psychologists have tried to distinguish workaholics from those who simply do their jobs.
In the workplace, have you ever envied this kind of people: they can maintain confidence and enthusiasm in various occasions, have a sense of C-position presence all the time, and can immediately warm up when meeting anyone. They are also migrant workers with comparable working abilities. Why can such people shine in the workplace while you are unknown and transparent? In the final analysis, it is because they have strong social skills.