miscommunication and belittlement.

Understatement, Sarcasm, Underestimate, Belittlement, Litotes

A belittler is a person who belittles something or someone, who makes it seem smaller than it is.

Marinka is a pet form (with little flavor of belittlement) of Russian female name Marina. The name Marina is obviously borrowed from Romance languages (Spanish and others).

If one is trying to make themselves more open minded they can start by researching. Learn about the opinions of those with opposing views. And keep anger or belittlement out of conversations. Don't assume that whoever has an opposing opinion is wrong. Step out of ones comfort zone.