assume the role of

mean perform produce serve serve as show speak for

be betoken body copy embody enact epitomize equal equate exemplify exhibit express factor imitate impersonate personify reproduce stage substitute typify

act as act as broker act for act in place of appear as be agent for be attorney for be proxy for buy for correspond to do business for emblematize hold office play the part put on sell for stand for steward

refuse

be original differ imbalance oppose reverse stop