Wwho would have more than likely given the speech below?

"[Y]ou must apply the strength of your rihteousness to another matter which conceerns you as well as God. For you brethern who live in the east are in urgent need of your help, and you must hasten to give them the aid which has often been promised them."

the Pope

Tsar of Russia

Leader of the Ottoman Turks

a peasant during the Middle Ages

It is not possible to accurately determine who would have given this speech based on the information provided.