French term for winegrower (also vigneron); see there.
The German term vintner is derived from the Latin "Vinitor" (from Vinum = wine) and means "grape picker" (Weintraubenleser). This suggests that in earlier times it meant only the activity of growing grapes, i.e. without the process of wine production. Today, in German-speaking countries, this is not an unambiguous occupational designation, but rather a general, colloquial collective term for the group of winegrowers, regardless of the scope of the activity, from the mere supplier of grapes to the wine producer (cellar master). As a rule, however, today it is only used to refer to or understand a wine production business as a vineyard and, especially in Bordeaux, as a château.
Other terms are Hauer, Weinhauer and Weinbauer (German-speaking countries), Hacker or Häcker (Baden,...
For my many years of work as an editor with a wine and culinary focus, I always like to inform myself about special questions at Wine lexicon. Spontaneous reading and following links often leads to exciting discoveries in the wide world of wine.
Dr. Christa Hanten
Fachjournalistin, Lektorin und Verkosterin, Wien