I do not understand your question. Are you asking what St. Lawrence is the patron of, who his patron saint was or who was his employer? If it is the latter, he was one of seven deacons who served under the leadership of Pope Saint Sixtus II. Pope Sixtus and all seven deacons met death by martyrdom.
There isn't a saint with the exact title of 'patron saint of food service.' The patron saint of cooking is Saint Lawrence, and patron saint of wait-staff is Saint Martha.
The patron saint of sewers is Saint Lawrence of Rome. He is also known as Saint Lawrence the Deacon and Martyr. Saint Lawrence is the patron saint of several professions, including cooks, students, and comedians, in addition to sewers. He was martyred in the year 258 AD during the persecution of the Roman Emperor Valerian.
The town of Brindisi in Italy.
The Patron Saint of cooking is St, Lawrence of Rome. The Patron Saints of Baking are St. Elizabeth of Hungary and St. Nicholas
The patron saints of comics or comedians are Genesius, Lawrence and Vitus.
There is no St. Lauren (but if there was one then she would be the patron saint of everything and also be the best saint in the world) ---- Although there is indeed no Saint Lauren, many girls and women bearing that name honor the deacon and martyr Saint Lawrence as their heavenly patron. Lawrence is the patron of librarians and archivists, and the Church observes his day on August 10. Other forms of the name Lawrence are Laurence, (dim. Larry), Lorenzo, Laurent, Lorenz for boys, and Laura, Laure, Lauren, Laurentia (dim. Laurie) for girls.
There are three; Catherine of Alexandria, Jerome and Lawrence of Rome
St. Lawrence of Rome and St. Martha of Bethany are the best known patron saints of cooks.
Lawrence is the patron saint of the poor since he was a deacon to Pope Saint Sixtus and was charged with the responsibility of helping care for and feed the poor. He is the patron saint of chefs since he was martyred by being roasted alive on a grill over a slow fire. He is reported to have told his executioner, "You can turn me over now, I'm done on this side."
The Patron Saint of writers and journalists is Saint Francis de Sales.There are patron saints of book sellers, book keepers and book binders but no patron saint of books.
Patron saints of blind people: Catald Cosmas Damian Deochar Dunstan Herve Lawrence the Illiuminator Leodegarius Lucy Lutgardis Odilia Parasceva Raphael the Archangel Thomas the Apostle
The Patron Saint Inex lists no patron saints of bears.