proxy
//ˈprɒk.si//
Noun
A person authorized to act on behalf of another.
She appointed her lawyer as her proxy to sign the contract.
The authority or power to act for another person.
She gave her lawyer proxy to sign the contract on her behalf.
A document giving someone the authority to vote or act for another.
I signed a proxy so my brother could vote on my behalf at the shareholders' meeting.
A server or software that acts as an intermediary for requests from clients seeking resources from other servers.
The company uses a proxy to filter internet traffic and protect the network.
Something that serves as a substitute or stand-in for something else.
Researchers used animal behavior as a proxy for human responses.
Adjective
Acting or serving as a substitute for another.
She cast a proxy vote on behalf of her absent colleague.