Japan
I believe it is called Soul Sister
helper, assistant, brother, sister, community???
There is, apparently, no secret animatronic in FNAF Sister Location, or one that the community has discovered.
It can be a verb, e.g., "He terrorised his sister" or it can be an adjective, e.g., "They discovered a terrorised community".
brother and sister
yeah they are
In cultures based on the English language, and other western European cultures, you are not related to your husband's sister's husband. Most people would call him either "my sister-in-law's husband" or "my husband's brother-in-law."
The son of your mother's sister is your first cousin. While marriage between first cousins in accepted in some communities, it is rejected in others. Whether you can make such a marriage depends in part on what your community and your local laws say, and on whether you are willing to become estranged from that community if they object.
She's dead.
Scholastica was a nun who led a community of women at Plombariola near Montecassino, Italy.
Members of the Community of Christ are called Community of Christ members. They don't have a simplified nickname or title, although they might refer to each other as 'brother' 'sister' 'elder' etc. according to their positions in the church.