معنی کلمه :‌ sapper

One who saps; specifically (Mil.), one who is employed in working at saps, building and repairing fortifications, and the like.

One who favors; one who regards with kindness or friendship; a well-wisher; one who assists or promotes success or prosperity. [Written also favourer.] And come to us as favorers, not as foes. Shak.