Troublemaker pitches tent, moving south (5)
I believe the answer is:
scamp
'troublemaker' is the definition.
(I've seen this before)
I can't explain the rest of the clue.
(Other definitions for scamp that I've seen before include "Troublemaker" , "Scoundrel" , "Mischief-maker" , "Tearaway" , "Scallywag" .)