What does ‘non-parter’ mean?

In the sleuth hound of 6, Wilbraham Place, Sloane Square, however, he speedily discovered that he had come up against one of the Untouchables, a man to whom even Oofy Prosser, that outstanding non-parter, would have felt compelled to raise his hat.

What does this word non-parter mean in this bit of Uncle Fred in the Springtime by P.G. Wodehouse?


A man who is unwilling to part with money (difficult to borrow from or 'touch', hence the pun on Untouchable).