Acontemporary legislator who voted for a bill because of a belief in its benefit, even though his constituents back home overwhelmingly opposed the bill, would be performing the edmund burke role of:

I believe the answer is: trustee

According to endmund bruke, trustee refers to the individuals  who had the role as the holders of people's faith and hope to fight for their behalf in the environment. This is a crucial aspect of an indirect democracy system that is adopted by almost all countries in  western hemisphere.

can you explain it better

answer; the civil right act of 1964;