act for
• represent someone on a contractual, legal, or paid basis.
• "he chose a solicitor to act for him"
Similar:
represent,
act on behalf of,
speak on behalf of,
stand in for,
fill in for,
deputize for,
cover for,
substitute for,
be a substitute for,
replace,
take the place of,
act in place of,
do/be a locum for,
sit in for,
understudy,
hold the fort,
step into the breach,
sub for,
fill someone's shoes/boots,
pinch-hit for,