mester
Webster's Dictionary (GCIDE)
Mister \Mis"ter\, n. [OF. mistier trade, office, ministry, need, F. m['e]tier trade, fr. L. ministerium service, office, ministry. See Ministry, Mystery trade.] [Written also mester.]
1.A trade, art, or occupation. [Obs.] [1913 Webster]
In youth he learned had a good mester.— Chaucer.[1913 Webster]
2.Manner; kind; sort. [Obs.] --Spenser. [1913 Webster]
But telleth me what mester men ye be.— Chaucer.[1913 Webster]
3.Need; necessity. [Obs.] --Rom. of R. [1913 Webster]