A naive servant is someone who lacks experience and can be easily deceived or taken advantage of. Synonyms for a naive servant could include inexperienced worker, gullible helper, trusting employee, or unsophisticated assistant. These terms all suggest that the person may not fully understand the tasks or expectations of their role, and may be more likely to make mistakes or be manipulated by others. It is important for employers or managers to provide proper training and support to ensure that their employees are not put in situations where their naivety could be exploited.