The term 'Druid, E.G.' is a reference to the ancient Celtic priests of Britain and Ireland. The crossword solutions for this term are 'PRIEST' (6 letters) and 'CELT' (4 letters). Druids were members of the priestly class in ancient Celtic societies, and they served as religious leaders, healers, and teachers. They were also responsible for performing rituals and sacrifices, and for interpreting the will of the gods. The Celts were an ancient people who lived in what is now Britain and Ireland, and their culture was heavily influenced by the Druids.