Here are some descriptions of the unknown Hosts and Jinchchuurikis:
1st
Name: Gaara
Country: Sand
AKA: 5th Kazekage
Jinchuuriki: Ichibi Shukaku
2nd
Name: Yugito
Country: Clouds
AKA: None
Jinchuuriki: Ninbi
3rd
Name: Yagura
Country: Mist
Jinchuuriki: Sanbi Genbu
4th
Name: Roshi
Country: Rock
Jinchuuriki: Yonbi
Name: Han
Country: Rock
Jinchuuriki: Gobi Hokou
6th
Name: Utakata
Country: Mist
Jinchuuriki: Rokubi
7th
Name: Fu
Country: Waterfalls
Jinchuuriki: Shichibi
8th
Name: Killer Bee
Country: Clouds
AKA: Present Raikage's brother
Jinchuuriki: Hachibi
9th
Name: Naruto Uzumaki
Country: Konoha
AKA: Child of Prophecy 4th Hokage's son
Jinchuuriki: Kyubii
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No. Where did you get that Idea from? Hinata is not a jinchuuriki. She is only the heir to the Hyuga household
Yes, there was a ten jinchuuriki. The Sage of the Six Paths had split the chakra of the ten-tailed jinchuuriki and spread them throughout the land, creating the tailed-beasts (tails ranging from one to nine tails, each beast consisting of the ten jinchuuriki's chakra). The Sage of the Six Paths then sealed away the body and final tail of the ten jinchuuriki away in what later became the Moon.
Akatsuki
If you're talking about the two tails Gaara is the two-tails jinchuuriki.
Jinchuuriki.
A Jinchuuriki is a person who has a Bijuu sealed inside their body.
The only female in Naruto that is a Jinchuuriki is Yugito Nii. Yugito is the vessel of the two-tailed cat (tiger?). She is one of the Jinchuuriki of Kumogakure (Hidden Cloud Village).
Gaara doesn't know that Naruto is a Jinchuuriki yet. He only knows that Naruto has compassion for him and who he is. All other characters know he is a Jinchuuriki. We all anticipate the manga/anime that Gaara finds out Naruto is a fellow Jinchuuriki. Then and only then will Gaara see why Naruto cared so much for him, despite being from formal rivally villages.
The Kage of Kumogakure and brother of Killer Bee, jinchuuriki of the Hachibi.
There is no such episode when all the jinchuriki's are together.
He controls a Jinchuuriki, the one tailed demon.
There isn't one