Student or Learner
Please check. "If you want to talk about business man, you can take example of me" or "you can take example of Bill gates'".
... you can use me as an example.
... use Bill Gates as an example.
Either "a business person" or "business people." Unless you really mean males only. Either way you need an article or a plural form.
I'm not a teacher, but I write for a living. Please don't ask me about 2nd conditionals, but I'm a safe bet for what reads well in (American) English.