farmer, n.¹ — Green’s Dictionary of Slang

farmer n.¹

[SE farm, to lease or let the proceeds or profits of customs, taxes etc. for a fixed payment]

1. an alderman.

1821		Flash Dict.
1835		G. Kent Modern Flash Dict.
1848		Flash Dict. in Sinks of London Laid Open.
c.1850		Duncombe New and Improved Flash Dict.
1859		Matsell Vocabulum.

2. a churchwarden.

c.1850