The term FOR PROFESSIONAL can be broken down into two words, PRO and FOR. PRO is a three letter word that stands FOR PROFESSIONAL, which is someone who has a high level of skill or expertise in a particular field. FOR is a preposition that indicates the purpose of something, such as a job or task. Therefore, FOR PROFESSIONAL can be interpreted as someone who is professionally trained or experienced in a certain area. This could refer to a variety of occupations, from doctors and lawyers to engineers and accountants.