ESQS is an acronym for the job title of 'ESQUIRE, ' which is a term used to refer to a lawyer or attorney. An attorney is a professional who provides legal advice and services to clients. Attorneys are responsible for representing their clients in court, drafting legal documents, and providing legal advice. They must also be knowledgeable about the laws of the state in which they practice. Attorneys must be licensed to practice law in the state in which they work.