child (esp. a boy); viscount; founder of a school of thought (esp. Confucius); master; masters and philosophers (categorization of Chinese classical literature); (arch.) you; -er (i.e. man who spends all his time doing...)
Examples (2 in total)
トムって、なかなかのびだんしよ。
Tom is a rather handsome man.
当時私は自分をびだんしだと思う傾向があった。
In those days I tended to think of myself as a nice looking guy.