Church Nursery Worker Job Description. First Grapevine Methodist Church. Purpose. . To provide dependable, safe, secure, and nurturing care to the children while at our Church, ages 0-5 years during Sunday morning worship. 4 hours every Sunday morning. RESPONSIBILITIES. . Provide age-appropriate care which includes: feeding, changing diapers, escorting to the bathroom, maintaining a safe environment, putting children down for naps, holding, or si...