Polygamists are people with more than one spouse.
Although the early membership of the Mormon church briefly practiced polygamy, the Mormon church has not practiced this for well over a 100 years. There are polygamist living in or around the state...
What is OK from one person to the next varies from one person to another. However, in most states/countries polygamy is illegal.
A family with multiple wives, which is illegal in the United States but still practiced as a religion.
Well they are most commonly associated with the Mormon church/