Possible Clues:

• Bum support covers horse, it's said
• One pickled in the pub? He may have no choice!
• Non-chooser, it's said
• Carry round goods for one who can't afford them
• Nonchooser?
• Be hard to swallow, as snack in pub: conviction follows
• One asking for food or money
• Scrounger that's sometimes pickled in pub
• Impoverish Russia symbolically over gulag being evacuated?
• One seeking a handout