The term 'Blue Egg Tender' is a job title for a ROBIN, which is a 5 letter word. A Blue Egg Tender is responsible for the care and maintenance of blue eggs, which are usually found in the nests of birds such as robins. This job requires a person to monitor the eggs, ensuring that they are safe and secure, as well as providing food and water for the birds. The Blue Egg Tender must also be knowledgeable about the species of bird they are caring for and be able to identify any potential problems or health issues.