Antares or Polaris (4)
I believe the answer is:
star
This clue is a double definition.
'antares' is the first definition.
(I've seen this in another clue)
'polaris' is the second definition.
(I've seen this in another clue)
(Other definitions for star that I've seen before include "Polaris, possibly" , "Public figure" , "Leading actor in a show" , "E.g.Sirius" , "Ball of fire" .)