A profession is a field of

Interest

Interest is defined as curiosity or the feeling of an individual for a particular thing or activity. If a subject arouses the interest or curiosity of a person, it is said that his interests lie in that subject. When talking about a man, we often say he has interests in share markets or in sports, whichever may be the case. There are areas of interests for people and there are often questions pertaining to one’s interests in life when facing an interview board. You may be interested a lot in football but still do not play it on the ground actively. This means you read a lot about football and also watch it on TV and stadiums as you are interested in the sport. Similarly, you are not yourself a politician but you are interested in politics and watch political news and current affairs programs on TV avidly.What is the difference between Hobbies and Interests?

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  Hobby is an activity that one pursues for fun and pleasure, whereas interest is a broader area
  
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  One may not play football but watch and read a lot about the sport as his interest lies in it
  
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  One may have an interest in politics without that being his hobby
  
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  Hobby remains for fun and recreation, and an activity ceases to be hobby when it becomes a profession for someone.
  

Interests refer to things or activities that a person is curious or concerned about. They are subjects or qualities that evoke his attention. They can be things that someone does as a pastime or a leisure activity or those that he wants to have an occupation in. There are various interests that a person might be enthusiastic about. A person might be interested in things or activities that involve animals, so he might work or find leisure in the care and breeding of animals. He might have interests in the arts so the right job for him would be those that involve working with forms and designs. He can also spend his time and enjoy creating works of art. Hobbies, on the other hand, refer to activities that a person does for pleasure and relaxation. They are usually done during his leisure time or during times when he does not have anything to work on.