老师

teacher; sir; instructor; tutor; mentor; educator; master

帮助

help; assist; aid; support; benefit; back; serve; favour; nurture; back up; leg up; help out; give a hand; lend a hand; assistance; avail; hand; boost; favor; succor; abetment; good offices; succour; for; with the help of; with the aid of; through the assistance of