The Essenes left society and went to live in the wilderness because they were dissatisfied with the contentious rivalries between groups like the Pharisees and Sadducees. They also wanted a more orthodox lifestyle. It does seem that some of the scorn for these Pharisees and Sadducees found in the New Testament could be coming from the Essenes' point of view. The place the Essenes settled, near the caves where the Dead Sea Scrolls were found, shows that they dug quarries. Some of these were deep enough to fill with water which became bathhouses. Out of this they introduced a ritual bathing practice. These may be the people who "John the Baptist" refers to, if indeed he was ritually blessing bathers "in the wilderness". It also seems like this area could have served as a hideout from the Roman War of ca AD 69, and any Zealot (Jewish underground or guerilla fighters) who needed refuge probably could have sought it there or in the caves nearby.
There is of course no corroboration of the Jesus story by any eye witness. There is a mention of Jesus in a brief anecdote in the writings of Jewish chronicler Josephus, but this entry is not considered authentic, nor is it by any means objective, nor is it more than a passing remark.
It is striking that in the New Testament story the Jesus character is executed in the manner of a Zealot. Theirs was a suicide mission, so the way Jesus seems to martyr himself, with parallels to Socrates, also parallels the hopelessness of Zealots against the invincible Romans with their inexhaustible legions and armadas. Zealotry was suicide, and the crucifixion of Jesus may merely symbolize the crushing defeat of the Zealots by the Romans and the destruction of the temple (such as seems to occur by natural forces at the moment of his death).
It's all speculation. There's really not a shred of evidence about what actually happened to this man if he did indeed exist, or whether someone was trying to put together a Jewish version of Socrates, the benign Greek teacher who had his own disciples, and his own ecclesia (which has come to mean "church") . This Jewish Socrates is followed by the twelve tribes of Israel to a path of perfection that could no longer be offered under the old schema, since the Romans destroyed their temple. This modern idea we have of a Christian "church" may be merely the result of an ancient writer's play on words, since the ecclesias of Greece were also something like a union, in which members had the right to vote. The Ecclesia of Iesous (church of Jesus) may have represented the political will to organize against violence and to teach disciples (followers of the union) that resistance against Rome is suicide. Thus: "turn the other cheek".
It seems plausible that Zealots broke bread together and planned their strikes. "Ecclesia" could simply mean an assembly of Zealots. The Pentacost, when they were "assembled" in the upper room of a house, may have some symbolic connection to the end of the war, and their behavior, "speaking in tongues", could reference an underground language, or perhaps an emotionally charged meeting, reflecting on their losses and their uncertain future. For some reason the writer felt it necessary to mention they were in the upper room of the house. This reminds me of the Diary of Anne Frank. They may have been hiding in the attic.
Like I say, it's all speculation.
If I had any reason to believe the story was more than a mixed up set of legends and fables, I would even wonder if Jesus symbolizes an Essene who returns to Jerusalem to fight with the Zealots, but is sold out by a paid snitch and then publicly tortured and executed in the manner that sends a convincing message that resistance is futile.
References to a savior or salvation make no sense in the continuity between Old and New Testaments, but the Jewish people certainly needed a savior from Roman oppression. How or why this character is associated with the Greek word for "anointed one" - Christos - is lost. If he was an actual leader of the Zealots, he may have been "anointed" in a resistance meeting, or at the deathbed of the previous leader.
Another set of stories about Jesus arose, possibly before the first Gospel was written. These were the Gnostic gospels, which dote on Jesus, but rail against the Creator God, who the Gnostics equate with the forces of Hell. In fact, Christianity appears to be a reaction to Gnosticism, possibly by Jews who could not tolerate their extreme views, so perhaps that is exactly why they invented this story.