The basic difference between a professional and amateur is

• A. a professional is someone who is connected with a job that needs special training or skill, while an amateur is someone who works in multi-dimensions without any specialization
• B. a professional is clear in thinking and focused on the job, while an amateur is confused and distracted form the job
• C. A professional does high quality work/job in a specific area, while an amateur is associated with specific area with lowest pay
• D. a professional remains positive and achieves despite facing grievances, while an amateur does work efficiently due to many imagined grievances