You had to be a nobleman or son of a knight or noblemna
the people who respect other people and become royal and nice.
They are knighted by the ruling monarch.
they were knighted by king Arthur
Knights were drawn from the nobility, not the peasantry.
Women could become knights. Please use the link to the related question below for more information.
they were chosen cause of their qualitys to protect others
evolution yeah
Sons of lords or knights, trained from young age to become elite soldiers.
They did the odd jobs for knights and were in training to become knights. They were the son's of nobles who showed promise of knighthood.
Knights were and are individual people and as such they had individual tastes.
King Arthur and the Knights of Justice
In general, the people who became knights were the sons of nobility and knights. Technically, the king of a country could knight anybody, and everyone was eligible in that sense. There are records of people being knighted who were not members of the nobility, and there are records of women being knighted. There is a link below to a question about women knights. Some of the women described in the answer were not members of the nobility.