The Romans’ star (4)

I believe the answer is:

hero

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

'star' is the definition.
(both can mean a main character)

'the romans'' is the wordplay.
'HERO' is hidden in amongst the letters.
But, I'm unsure how the hidden word is indicated.

Can you help me to learn more?

(Other definitions for hero that I've seen before include "Conqueror" , "paragon" , "Principal character in a film or novel" , "object of adulation" , "One looked up" .)

I've seen this clue in The Mirror.

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