Complex sentence: Olivier, not suspecting any foul play, readily agrees, rather like an older brother to a younger.Roland asks Olivier to not accompany him into Saragosse so that Roland can claim all the glory and all the Queen's favor for himself.
Split into simpler sentences: Olivier, not suspecting any foul play, readily agrees, rather like an older brother to a younger. Then Roland asks Olivier to not accompany him into Saragosse so that Roland can claim all the glory and all the Queen's favor for himself.