Each member of Council shall be a resident elector of the City for at least one year prior to the date of the primary election and shall be a qualified resident elector thereof throughout their term in office. Other than provided in this Charter, a member of Council shall not hold any other public office, except that of notary public or a member of the state militia, and shall not be interested in any contract with the City, and no such member may hold employment with said City. A member of Council who ceases to possess or who violates any of the qualifications herein provided shall forfeit his or her office, but failure to maintain such qualifications shall not render void or ineffective any action of Council in which such a member has participated.