His name was samaset ; he told them also of another indian whose name was squanto , a native of this place , who had been in england and could speak better english than himself after these things he returned to his place called sowams, some 40 miles from this place, but squanto continued with them, and was their interpreter, and was a special instrument of god for their good beyond their expectation. he directed them how to set their corn, where to take fish, and to procure (find) other commodities . --william bradford , 1620
based on the excerpt, how were both natives important to the success of the colony?