any male who is a newcomer to a situation, activity, or position
The new man will be introduced at a luncheon next week.
any male who is spiritually or morally reformed; any male changed for the better
He is a new man since he passed his physical examination.
(usu. cap.) any modern male who takes part in non-traditional roles (esp. in the family) and has sensitivity and compassion toward females; a modern man
The New Man often stays home with children while his wife pursues her career.