I know Oz pretty well, but Ojo doesn't know it at all.

I'm sorry for his uncle and poor Margolotte and I'd like to help save them.

May I go ?" "If you wish to," replied Ozma.
"If Dorothy goes, then I must go to take care of her," said the Scarecrow, decidedly.

"A dark well can only be discovered in some out-of-the-way place, and there may be dangers there." "You have my permission to accompany Dorothy," said Ozma.

"And while you are gone I will take care of the Patchwork Girl." "I'll take care of myself," announced Scraps, "for I'm going with the Scarecrow and Dorothy.