Just stuck on last few clues:
1. Note, permit tumbler to become historic mercenary g _ _ _ _ _ _ _ a _ s (11)
2. Bring some food? That will do s _ _ _ e (5)
3. Many snakes might go up these _ _ d _ _ _ _ (7)
4. Boast that the big kid took in a novice _ _ o _ t (5)
Thanks!