Which one philosopher, poet and writer was also a teacher of Chatrapati Shivaji

Samarth Ramdas was philosopher, poet and writer was also a teacher of Chatrapati Shivaji. Samarth Ramdas was also known as Sant Ramdas or Ramdas Swami. He was an Indian Marathi Hindu saint, poet, and spiritual master. He was a devotee of Hindu deities Rama and Hanuman. He was previously famous as Narayan.