The Question and Answer section for Song of Roland is a great resource to ask questions, find answers, and discuss the novel.
The hero and main character in the epic poem is named Roland.... this is his story. A poem meant to be sung by bards.... a story meant to be shared through song.
This would be an example of personification.
Ganelon was assigned to a mission in which he was to act as a messenger to the Saracens; this type of mission in some ways was considered a suicide mission, as more often than not these messengers were killed.