I wonder in what situation you are asking someone to hire you but don't know their name. Sounds almost biblical; and he sayeth to the farmer, "Farmer, hire me!" for he was poor and needed bread.
This sounds like the title of a really sad reality TV show.
Mi ne tuj laboros en Maggie's bieno ne pli.
Maybe the scientist from half-baked is looking for some side work outdoors??
Farmisto aŭ farmestro?