omstander (zn):
astante(en) a person who, although present at some event, does not take part in it; an observer or spectator., convenuto(en) a person who, although present at some event, does not take part in it; an observer or spectator., passante(en) a person who is passing by.
Via: Dbnary en WikiWoordenboeken
Via: Memodata.com