What is the correct definition of an indentured servant:

A. The wealthy english landowners during the Agricultural Revolution
B. A worker who willingly enters into a labor agreement that includes the number of years that the worker must work in return for pay, housing, and food
C. The movement of people from one country, region, or place
D. People who migrated to California upon the discovery of gold

B. A worker who willingly enters into a labor agreement that includes the number of years that the worker must work in return for pay, housing, and food