you can grant a level from ToonD to ToonC but but ToonD can not grant a point to ToonE and no slave account is linked to ToonE's account so it can not get a free level up.

need a little info to be of real help though. how far away from lvl 29 or those 2 toons? if they arent that far then just group only them and tag and bag with all characters. have 1 of the 2 charaters that are lvl 28 tag or "attack" a mob and then blast the mob away with all 5. only the toon and whatever other toon is in the same group as that toon (should be your other character at lvl 28) will get exp from killing the mob. then just rinse and repeat untill they are all about equal.

if you need more clarification on the limits of RAF then here is link to the Blizz info on it:
http://us.blizzard.com/support/artic...l=true?rhtml=y

hope this helps some^_^

~YYF

EDIT
the 8) face is actually 8 + ) if you didn't know that already, some people don't so just making it a little clearer ^_^