Crossword Genius

For whom sailoring is a bit of a fag? (3)

Ross

I believe the answer is:

tar

I'm a little stuck... Click here to teach me more about this clue!

'fag?' is the definition.
The definition and answer can be both people as well as being singular nouns.
Perhaps you can see a link between them that I don't see?

I can't explain the remainder of the clue.

Can you help me to learn more?

(Other definitions for tar that I've seen before include "Informal sailor or road surfacing material" , "Dark viscous flammable substance" , "Viscous liquid; sailor" , "Familiar sailor - what a rat" , "Thick flammable liquid" .)

I've seen this clue in the Evening Standard.
Want a hint initially instead of a full solution? Install my app