debutant (noun) - a person who is participating in something for the first time - ผู้ออกโรงครั้งแรก, ผู้แสดงครั้งแรก Articles found: With badminton medal hopes gone, Thai interest turns to golf, taekwando and Amanda (Updated) (17/08/2016) Golden days for Thais at Asian Games (Updated Saturday) (04/10/2014) Schoolboy racer Verstappen enters Formula One world (video) (02/10/2014)