(1):

(n.) A vulgar person who affects to be better, richer, or more fashionable, than he really is; a vulgar upstart; one who apes his superiors.

(2):

(n.) A townsman.

(3):

(n.) A journeyman shoemaker.

(4):

(n.) A workman who accepts lower than the usual wages, or who refuses to strike when his fellows do; a rat; a knobstick.