a part or character played by an actor or actress.

proper or customary function

the teacher's role in society.

Sociology . the rights, obligations, and expected behavior patterns associated with a particular social status.

noun

act , acting , appearance , aspect , bit , character , clothing , execution , extra , guise , hero , ingenue , lead , look , part , performance , personification , piece , player , portrayal , presentation , representation , seeming , semblance , show , star , stint , super , title , walk-on , business , capacity , game * , job , office , pose , position , post , posture , province , task , what one is into , purpose , share , cameo , duty , function