young master
/ˌjʌŋ ˈmɑːstə/ /ˌjʌŋ ˈmastə/noun
A young man who is one's employer or social superior, used especially by servants to the sons of noble families or of the gentry. Frequently with possessive or the.
- Sometimes used to distinguish such a young man from his father or another older man..
Origin
Mid 16th century; earliest use found in Thomas More (1478–1535), lord chancellor, humanist, and martyr. From young + master.