Husband
The very earliest sense of the word husband, or husbandman (in the 11th or 12th century) meant the steward of land, the tiller of the soil. By the 13th century, the word morphed to reflect his married status, since the majority of the landholders and farmers were married. Husbandry came to refer to animals and agriculture specifically in the 1500s, while husband, oddly, remained the identifier of a married man.