Classmate, for example (4)

I believe the answer is:
peer
(Other definitions for peer that I've seen before include "One's equal" , "Noble; look intently" , "Lord of the realm" , "Look closely - nobleman" , "Equal; nobleman" .)
I believe the answer is:
peer
(Other definitions for peer that I've seen before include "One's equal" , "Noble; look intently" , "Lord of the realm" , "Look closely - nobleman" , "Equal; nobleman" .)