What is "ashin"

Chen Hsin-hung , nicknamed Ashin , was born on 6 December 1975 in Beitou District, Taiwan. He is a singer/songwriter and author. He is the vocalist of the Taiwanese rock band Mayday. Ashin majored in art in college, where he also began his musical career. Mayday is one of the most successful Taiwanese rock bands and has greatly influenced the Taiwanese entertainment industry. Ashin is also the founder and designer of the clothing line StayReal and a shareholder of the music label B'in Music. He was elected as a board member of the Taiwan Public Television Service in 2013.