Answered by Shaykh Abdurrahman ibn Yusuf Mangera
Is it alright to swear in extreme situations…to get a point across to those who don’t understand in other ways
In the name of Allah the Inspirer of Truth
It does not behoove a Muslim to use bad or abusive language in such a situation. The Messenger of Allah (upon him be peace) said, “Cursing a Muslim is a transgression.”
Allah says in the Qur’an:
But speak to him mildly; perchance he may take warning or fear (God)… (Taha 20:44)
Yet speak to them a word of easy kindness… (Bani-Israel 17:28).
The servants of the All-Merciful are those who walk lightly on the earth and, who, when the ignorant speak to them, say, “Peace.” (Surat al-Furqan: 63)
A Muslim is required to display good character in all circumstances. Insha Allah, the softness of your heart and good character will eventually win this person over.
And Allah knows best.
Abdurrahman ibn Yusuf