perform as

(v) : (ambitransitive) To do (something) in front of an audience, such as acting or music, often in order to entertain.

(v) : (transitive) To do (something); to execute.

(v) : (intransitive) To exhibit an expected pattern of behavior; to function; to work.

(v) : (transitive) To act in accordance with (a contract); to fulfill one’s terms of (a contract).

(v) : (intransitive) To fulfill contractually agreed-to terms.

(v) : (law) To act in a way set forth in a contract.