These kinds of confusions are very common at this stage ,so you don’t need to worry at all.
First You should complete your school education, so that you have more options regarding your future .you can choose degree or diploma courses afterwards You can choose your field on the basis of your interest like if you think you can easily convenience others , good communication skill and influence others then you can go for business area
There are some other traits also which are imp. to determine that which field should be suitable for you like your skills, aptitude and ability .You can take some psychometric tests which are designed by “meracareerguide.com”.these tests would be helpful for you to take right decision.
Good luck for your shine future!!!...