acting on *someone's behalf / act on *someone's behalf / act for / doing *something in *someone's place / acting for / do *something in *someone's place
だいこうする
daikousuru
代講する JN1;JVE
substitute for [another] / teach for [another] / give a lecture for [another]
だいさんする
daisansuru
代参する JN1;JVE
visit [a temple] for [another]
だいしょする
daishosuru
代署する JN1;JVE
sign for [another] / sign by proxy / sign on behalf of [another]
だいしょする
daishosuru
代書する JN1;JVE
write for [another]
だいしんする
daishinsuru
代診する JN1;JVE
examine a patient in [another doctor's] place / examining a patient in [another doctor's] place / examine a patient for [another doctor] / examining a patient for [another doctor]