I think these are correct (apologies if not), but would appreciate some help with the parsing......
22d. Pump social reformer, "the sailor's friend" (8) - PLIMSOLL (Sailor's Footwear)
27d. Matches prepared with sulphur at the end (5) - GAMES (Matches)
32d. Endless disease in horses makes one reel (7) - STAGGER (Reel)
43d. Bring article up about old soldier (7) - TROOPER (Soldier)