Delaware drivers who hold a learner's permit must have a supervising driver who

Supervising passengers must be seated next to the driver, be over the age of 25, and have maintained a Class D driver's license for at least five years. [Level One Learner's Permit Restrictions, Graduated Driver License for First Time Applicants, General Requirements for All Driver License and Identification Card Applicants, Section Two Driver License Information, Delaware Driver Manual]