No rise for the Greek philosopher in the squad (7)
I believe the answer is:
platoon
'the squad' is the definition.
(I've seen this before)
'no rise for the greek philosopher' is the wordplay.
'rise' is a reversal indicator.
'for' says to put letters next to each other (I've seen this in other clues).
'the greek philosopher' becomes 'plato' (I've seen this in another clue).
'no' in reverse letter order is 'on'.
'on' put after 'plato' is 'PLATOON'.
'in' is the link.
(Other definitions for platoon that I've seen before include "Company's subdivision" , "Infantry unit" , "part of company" , "Team under lieutenant" , "Military group" .)