向こうにおられる方はどなたかしら。

opposite side; other side; opposite direction; over there; that way; far away; beyond; the other party; the other person; future (starting now)

at (place, time); in; on; during; to (direction, state); toward; into; for (purpose); because of (reason); for; with; by; from; as (i.e. in the role of); per; in; for; a (e.g. "once a month"); and; in addition to; if; although

to be (animate); to be; to exist; verb indicating continuing action or state (i.e. to be ..ing); indicates contempt or disdain for another's actions

direction; way; person; lady; gentleman; method of; manner of; way of; care of ..; person in charge of ..; side (e.g. "on my mother's side")

topic marker particle; indicates contrast with another option (stated or unstated); adds emphasis

who?

I wonder