2. (noun) scouts, advance guard, spearhead (of an army), driving force.
E tū tātou hei matakīrea kia kore ai ō tātou uri whakaheke e whiua e ngā mate i pā nei ki a tātou (HM 1/1990:1). / We must stand as a driving force so that our descendants will not be afflicted by the problems that affected us.