Understand the situation. The phrase often implies defense rather than unjustified aggression. In the movie, the hero raises his hand against the villain to protect the villagers.
Pro Tip 2/3
Metaphorical Use
Sometimes used metaphorically to mean opposing or confronting someone or something. The community raised a hand against the corrupt mayor by protesting.
Pro Tip 3/3
Cultural Sensitivity
Be cautious, as the phrase can be sensitive or offensive due to the implication of violence. He apologized after jokingly saying he would raise his hand against his friend.