1.  brewer(n = noun.person) beer maker - someone who brews beer or ale from malt and hops and water;
is a kind of maker, shaper
Derived form verb brew₁

2.  brewer(n = noun.person) - the owner or manager of a brewery;
is a kind of manufacturer, producer
Derived form verb brew₁

   One who brews; one whose occupation is to prepare malt liquors. [1913 Webster]