Who indicated a fear of being in danger if certain individuals were to be executed?

Reverend Hale expresses a fear of danger primarily due to his realization of the implications of the witch trials and the integrity of the court proceedings. As a character who initially supported the trials, Hale undergoes a significant transformation as he witnesses the wrongful accusations and the escalation of hysteria, leading to innocent people being condemned. His statements reflect a deepening concern not only for the individuals being executed but also for the moral and social consequences of the trials, suggesting that if the court's actions continue unchecked, it could ultimately lead to a breakdown of trust and safety within the community. This realization compels him to advocate against the executions, fearing for the lives of those unjustly accused and the integrity of society as a whole.

The other choices, while they have their own fears and motivations, do not express the same broad concern for danger surrounding the executions. Deputy Governor Danforth is committed to maintaining order and authority, often dismissing the consequences of the trials. Mary Warren, caught in her own fear of the court, does not articulate a concern for danger in the same encompassing way. John Proctor's motivations are more centered on personal integrity and his fight against the injustice he sees, rather than an overarching fear of societal danger due to the executions.