Protest (3-2)
'protest' is the definition.
(sit-in is a type of non-violent protest)
This is all the clue.
(Other definitions for sit-in that I've seen before include "Factory protest" , "Protest demo" , "Occupation of building as form of protest" , "Type of demo" , "Protest occupying building" .)
'protest' is the definition.
(I've seen this in another clue)
This is all the clue.
(Other definitions for demur that I've seen before include "Raise mild objection" , "Dissent, object" , "Hesitate from uncertainty or object" , "Waver" , "Protest or disagree mildly" .)
'protest' is the definition.
(I've seen this before)
This is all the clue.
(Other definitions for remonstrate that I've seen before include "Take exception to" , "Make a forceful protest" , "Object" , "Take issue with" , "Argue in protest" .)
'protest' is the definition.
(thesaurus)
This is all the clue.
(Other definitions for expostulate that I've seen before include "Argue protestingly" , "find fault with" , "Express strong disagreement" , "Express strong disapproval" , "Remonstrate" .)
(Other definitions for agitate that I've seen before include "Disturb or churn" , "Fluster" , "Make nervous; stir" , "Perturb" , "Stir; tie a tag (anag.)" .)
'protest' is the definition.
(I've seen this before)
This is all the clue.
(Other definitions for outcry that I've seen before include "commotion" , "A storm of protest" , "Great fuss" , "Public clamour" , "A strong protest, often public" .)