raja raja cholan was called arunmozhi varman not arunmozhi thevar 

http://books.google.com/books?id=fxeK0JLjnsgC&pg;=PA159&dq;=arun+mozhi+varman+cholan&hl;=en#v=onepage&q;=arul%20mozhi%20varman&f;=false

Caste, Catholic Christianity, and the language of conversion: social change ... By S. Jeyaseela Stephen    page 159