The phrase "appear for them" is correct and usable in written English.
It can be used in contexts where someone is representing or advocating for another person, often in legal or formal situations.
Example: "The lawyer will appear for them in court next week."
Alternatives: "represent them" or "act on their behalf".
Neither Kumar Sangakkara nor Mahela Jayawardene will appear for them again in ODI cricket.
Sir Allen Lane and his directors briefed Mr. Gerald Gardiner, a well-known Queen's Counsel, to appear for them.
More may be found, as only a few hundred of the world's 6,000 languages have been extensively mapped, and new ways will appear for them to be difficult.
Given that Prince has been turning up at front rooms, concert halls and quite possibly your local laundrette to play until the early hours, it would have been a bit useless if the Brits couldn't have got him to appear for them as well.
Soon after personal computers began to get popular, compilers for higher-level languages began to appear for them, and programmers could program these machines in BASIC, C, FORTRAN, Pascal, and even Forth.
Studies suggest there are currently existing 200 government-organized nationwide examinations and nearly 40 million people appear for them each year, perhaps more, if local-level tests are included in the list.
However, it has been suggested Januzaj would prefer to wait and complete his residency in England before appearing for them.
Senator Joseph I. Lieberman of Connecticut, the Democratic vice-presidential nominee last year, has alerted candidates that when he appears for them at fund-raisers, he will say only positive things about them -- and resist bashing their opponents.
He was still at Watford when he was first capped for England and after his golden years at Liverpool he moved to Newcastle in 1997 and appeared for them as a late substitute in the 1998 FA Cup final, becoming one of a handful of players to appear for three clubs in the Wembley showpiece game.
Given is the Republic of Ireland's second most-capped player, having appeared for them 125 times.
Jarvis became Norwich's youngest-ever player when he appeared for them at Walsall in April 2003, aged 16 years and 282 days.
