I may carry spear further (5)
I believe the answer is:
extra
This clue is a double definition.
'i may carry spear' is the first definition.
(I've seen this before)
'further' is the second definition.
(I've seen this before)
(Other definitions for extra that I've seen before include "23 player?" , "entry on scorecard?" , "Taxer (anag.)" , "someone acting in a crowd" , "No great contribution to film" .)