Possible Clues:

• Change is important for him
• One cannot be a chooser
• Seeker of alms
• It's laid in the end of 10 across for this poor chap
• One with a hand out
• Tin cup holder, perhaps
• Greta Garbo dismissed rota for Peter the Tramp, for instance
• No chooser, so they say
• Poor person born almost destitute on reflection
• Seeker of spare change