Answer:
Number 2 is plea not gather.
Explanation:
A plea: A formal statement by or on behalf of a defendant or prisoner, stating guilt or innocence in response to a charge, offering an allegation of fact, or claiming that a point of law should apply.
"The lawyer made a passionate plea for the release for his client".
1. dishearten - encourage
2. incarcerate - free
3. intransigent - compromising
4. disengage - ensnare