We don't have synonyms for metayer yet — it may be a rare, specialized, newly coined, or misspelled word. The closest thesaurus entries we have are metoyer, metamer and mtayer.
(n) :
(French and Italian agriculture) One who cultivates land for a share (usually half) of its yield, receiving stock, tools, and seed from the landlord.
(n) :
(French and Italian agriculture) One who cultivates land for a share (usually half) of its yield, receiving stock, tools, and seed from the landlord.