Art. 4007. DEFINITIONS.  The word "employee" as used in this title shall be held to include all officers, agents or employees, actually employed and engaged in the service of such corporation, company, association of persons, including its officers, bona fide ticket and freight agents, physicians, surgeons and general attorneys, and attorneys who appear in court to try cases and receive a reasonable annual salary therefor.  The word "family" as used in this title shall include the wife, minor children and dependents of any such employé or person.  The words "minister of religion" shall be construed to mean only those whose principal occupation is that of a minister of religion, priest or rabbi.