This is a person who is a recognised professional. An accountant, actuary, doctor, solicitor, vet, etc., are all recognised as being members of a profession. In recent years the term has widened and takes in some senior managerial positions. Not all lenders go as far as this. Therefore, some high earners will be able to borrow more from certain lenders than others..
A person who is a member of a recognised profession, such as a doctor or solicitor. The definition of a professional can vary substantially from lender to lender with occupations such as banker being accepted as a profession by some but rejected by others. Many professions are disquvalified from practicing if they become bankrupt.