In 1634, Anne and her family moved into the Massachusetts Bay Colony. They left England following a minister who was forced to leave England due to them finding out his Puritan teachings.
Roger Williams moved to the Massachusetts Bay Colony in 1631. He studied indian languages and was interested in the affairs of the english government and the indians. He believed that the english government shouldn't take lands from the indians without some sort of payment. He was banished from the colony for that.
They were people who could not afford to buy their own ticket, so they agreed to become their servant for 3-6 years in exchange for another person buying their ticket.