ba·ri·sta 
(bə-rēsstə)
(bə-rēsstə)n.
An employee of a coffee shop who prepares and serves coffee or other beverages.
[Italian, bartender : bar, bar, café (from English bar; see BAR1) + -ista, -ist (from Latin -ista, -istēs, from Greek -istēs, agent n. suff).]