What is the ruling on mocking religion on Twitter, and is it advisable to warn against those who mock religion on Twitter? And what is the ruling on watching an English-language video clip that mocks religion and immediately exiting it, and are jokes about a drug addict wanting to enter Hell considered mocking religion?

If the writer is Muslim, he should be advised privately, with wisdom and gentleness, for he may be ignorant of the seriousness of what he is saying. If his words spread, then he should be refuted with a general denouncement, without mentioning names, and the latter is better to avoid making him famous. As for addressing disbelievers in languages you do not master, it is not obligatory. As for mocking religion and its rituals, it may amount to disbelief.