Pioneer (The Maine album) definition

(1) One the first colonists or settler in a new territory

"They went west as pioneers with only the possessions they could carry with them"

(2) Someone who helps to open up a new line of research or technology or art

(3) Open up and explore a new area

"Pioneer space"

(4) Take the lead or initiative in; participate in the development of

"This South African surgeon pioneered heart transplants"

(5) Open up an area or prepare a way

"She pioneered a graduate program for women students"