Since monks were forbidden to own anything, or have anything they might call their own, or receive anything from anyone without passing it to the superior of the monastery, the idea of monks being given any kind of reward is contrary to the Regula Benedicti (Rule of St Benedict).
Monks sought no reward and simply strove to be worthy to be taken into Heaven when they died; beyond that the idea of reward would be alien to them.
Medieval Monks spread Christianity by many different techniques. Now, if you are talking about Medieval Monks in Europe, then they spread Christianity by telling others mostly. There is a website all about Medieval Monks below.
Monks were around for every single year of the Medieval Age. There were also monks in late Roman times, and there are still monks in modern times. Monks have been around for a good long while, and not all of them were Medieval. * The Medieval Age lasted from the 5th Century to the 15th.
Gregorian monks.
Monks of the middle ages copied books by had, and in this way produced manuscript copies. This was the only way books were published at the time, and it was nearly always done by monks. The book they copied most was the Bible, but they did other works as well, and most surviving medieval literature was copied by monks at one time or another.
no
To pray
The God of the Bible.
a Frock
The Medieval era spanned a millennia and many monks lived during that time- there's not going to be any definitive answer. What I can tell you is that common building materials included wood, mud brick, stone, and rushes and that monks' houses were probably built to the method of whichever era they lived in.
their role was to protect
No, obviously. Medieval times ended hundreds of years ago and people, monks included just don't live that long.
Monks lived in monateries.