Short answers, pulled from the story.
Qui-Gon Jinn is a Jedi Master introduced in The Phantom Menace (1999) and portrayed by Liam Neeson. He discovers Anakin Skywalker on Tatooine, believes him to be the "Chosen One" destined to bring balance to the Force, and is fatally wounded by the Sith Lord Darth Maul before the film ends.
The name translates as "Guardian Spirit of the Living Force." "Qui-Gon" derives from qigong, a Chinese system of breathing and exercise, while "Jinn" is the Arabic word for a type of spirit in Arabian mythology. "Jinn" also echoes the Chinese word for power, jin, and the martial arts concept fa jin, describing the explosive release of internal strength.
Liam Neeson portrays Qui-Gon Jinn in The Phantom Menace (1999) and appears on screen as the character in the final episode of the miniseries Obi-Wan Kenobi (2022). Neeson also voices Qui-Gon in The Clone Wars, The Rise of Skywalker (2019), and Tales of the Jedi (2022). A younger version of the character in Tales of the Jedi is voiced by Neeson's son Micheál Richardson.
Qui-Gon Jinn is fatally wounded by the Sith Lord Darth Maul during a lightsaber duel on Naboo. His dying request to Obi-Wan Kenobi is to train Anakin Skywalker.
Liam Neeson appears as Qui-Gon Jinn in the final episode of the 2022 miniseries Obi-Wan Kenobi. Throughout the earlier episodes, Kenobi attempts repeatedly to reach Qui-Gon's Force spirit but receives no response.
Liam Neeson received a nomination for the 2000 Saturn Award for Best Actor for his portrayal of Qui-Gon Jinn in The Phantom Menace. Critics at Empire and Entertainment Weekly both credited Neeson's performance as the film's primary source of emotional weight.