Crossword puzzle clue "they give sum help"

They give sum help?

"Sum," as in / "... ergo sum"

Give someone a book that they'll "give back to you when they're done reading," as I did with "The Wind-Up Bird Chronicle" over three years ago

They sum it all up

Help someone out who badly needs help?

Source of the saying "The gods help them that help themselves"

Its motto is "To help them, you have to help yourself first"

Ted of "Help Me Help You"