The term 'Former Indian Ruler' can be summarized by the crossword solution 'Rajah, ' which is a five-letter word. Rajah is an Indian title for a monarch or princely ruler. It is derived from the Sanskrit rājan- and is cognate with the English word 'KING.' Historically, Rajahs were powerful rulers in India, ruling over large territories and often having their own armies. In modern times, the title is still used to refer to traditional Indian rulers, although it has largely been replaced by other titles such as Maharaja.