A skilled worker is any worker who has special skill, training, knowledge, and (usually acquired) ability in their work. A skilled worker may have attended a college, university or technical school. Or, a skilled worker may have learned their skills on the job. Examples of skilled labor jobs include software development, paramedics, police officer...
[n] - a worker who has acquired special skills
trained worker noun a worker who has acquired special skills
A worker who is literate and has experience and expertise in specific areas of production or on specific kinds of machines.