I am a movie director and I just received the following movie plot. Could you help me answer this question? If not, let me know by writing "Not answerable". Plot title: Ambikapathy Movie plot: This story, passed on through centuries through traditional verse and folklore, dates back to the early 12th century during the reign of Kulothunga Chola I. The movie version of the story is this: Kambar, the kavichakravarthi whose name in enshrined forever as the author of Ramavatharam, the Tamil version of Ramayana, is a poet in Kulothunga's court in Urayur. Despite his erudite scholarship, deep learning of Sanskrit and Tamil and extraordinary poetic skills, Kamban remains a humble, unassuming, deeply pious man, and a loyal subject of the King. All this earns Kamban a special place in the heart of Kulothunga who treats him with utmost deference and affection. Ottakoothar is another great poet in the King's court, and Kamban's ascent in the firmament and the King's unabashed admiration for Kamban's poetry has Ottakoothar simmering in jealousy. It is in this backdrop that the love story blossoms. Amaravathi, the beautiful princess and Ambikapathy, the handsome and talented son of Kambar, fall in love. Ambikapathy is a bold, assertive and supremely self-confident youth, who even at that age, exhibits poetic skills equal to that of his illustrious father. Ottakoothar is doubly dismayed when he hears of this affair, for he had planned to bring about the marriage of Amaravathi with his stooge, Prince Kulasekharan of Vengi. With a brilliant, cunning mind at work, Ottakoothar sets about poisoning the King's mind against Ambikapathi and contrives to bring about various situations wherein Ambikapathi might fall to disgrace. Luck seems to be on Ambikapathi's side as he comes unscathed through these traps. However, when Kamban discovers his son's love for the princess and realizes the gruesome retribution that would undoubtedly follow, he pleads with Ambikapathi to give up his love. Meanwhile, Ottakoothar gets possession of a verse that Ambikapathi had penned as an ode to Amaravathi's beauty and loses no time to showing the parchment to the King. The King is shaken by this clinching evidence of the... My question: What is Kambar's profession?
Answer:
singing