Athletic, Sporty, Fit, a Champion, there may be better words if we knew what Sport they were good at.
a jock?
a virgin
Athletes
A sado-masochist.
I guess you can call that person an athlete.
You would call them a sports addict.
I would call them a "Fanatic" or "Super Fan"
a phenom, natural or prodigy
A person with good manners is called either a Lady or a Gentleman.
Substitute.
* Have a friend tell them * Write a note * call them * Ask the person in person Good Luck! * Have a friend tell them * Write a note * call them * Ask the person in person Good Luck!
Sports Call was created in 1996.