The medieval serf was Select one:
a. a slave, usually from outside Europe, purchased to do menial work on the manor.
b. a person who had no obligation to any other person in the social hierarchy.
c. a servant, specifically of the village priest.
d. not a slave, but was bound to the land, forbidden to leave it without permission.

D

Explanation:

Here is the Merriam-Webster definition:

"A member of a servile feudal class bound to the land and subject to the will of its owner"

They normally did farm-work and other labor-related tasks.

hutus would be your answer.

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explanation:

the president, prime minister, chief justice, speakers and ministers take their oath of office. the oath is taken in bengali