Karina is a short name of Cara which means either 'beloved' in Italian or 'friend' in Gaelic. This name is also borne by a constellation in the southern sky, in which case the name means 'keel' in Latin, referring to a part of Jason's ship the Argo.
Karina is an attractive woman. She has a keen intuition and knows how to get in tune with people. That is why Karina can make a good teacher, or any other worker whose job involves communication.