Hesitate to be the standard bearer? (5)
I believe the answer is:
waver
'hesitate' is the definition.
(synonyms)
I don't understand the rest of the clue.
Can you help me to learn more?
(Other definitions for waver that I've seen before include "Be irresolute; flicker" , "Show hesitation, begin to give way" , "hold back" , "someone gesticulating wildly" , "Hesitate" .)