vervanger (zn):
A person or thing that takes or can take the place of another
replacement, substitute
vervanger (zn):
A person appointed to represent or act on behalf of others
deputy, surrogate
vervanger (zn):
Someone who takes the place of another (as when things get dangerous or difficult)
backup, backup man, fill-in, relief, reliever, stand-in, substitute
Via: Ensyns.nl
Via: Memodata.com