sentences:  They were militarized during the medieval Chola period, when some of them held the title "Brahmadaraya" or "Brahmamarayan", which was usually reserved for high-ranking Brahmin officials in the Chola government.Some were chieftains and commanders-in-chief of the later Cholas.Kaikkolar commanders-in-chief were known as "Samanta Senapathigal" or "Senaithalaivar".