10 across
Vagrant
makes
one
point
before
shouting
(9)
Vagrant makes one point before shouting (9)
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The definition is at the beginning of the clue.
How the clue works
The definition is Vagrant — a wanderer. For the wordplay, you're building it up piece by piece: I for one, then TINE (the pointy bit on a fork), and finally RANT for shouting — put them all together and there's your answer.