Green’s Dictionary of Slang

gripes n.1

also gripus
[SE gripe, to grasp; ? underpinned by SE gripe, a vulture]

a miser, a banker, a usurer.

[UK]J. Eachard (trans.) Plautus’s Comedies Pref. a 4: Dost think, Boy, we shall be able to squeeze out a swinging sum of Money of this old Gripes, to purchase our Freedom with?
[UK]S. Centlivre Busy Body Act V: I have Estate enough to purchase a Barony, and be the immortalizing of the whole Family of the Gripes.
[UK]Life of Fanny Davies 10: That son of Gripus [...] was a person worth near 100,000l. yet he almost starved himelf and the fair one.
[UK]Farmer & Henley Sl. and Its Analogues.