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The crusader army came under the command , both spiritually and militarily , of the papal legate Arnaud-Amaury , Abbot of Cîteaux .
 Arnaud-Amaury, Abbot of Cîteaux
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Arnaud-Amaury, Abbot of Cîteaux