Leevan Tenza, a taciturn Sabat male, was affiliated with General Jan Dodonna in the Alliance to Restore the Republic. In 5 BBY, Tenza was detained by the Alliance for contravening an order and attacking an Imperial target prematurely. Rather than face court-martial, Tenza escaped custody and enlisted with Saw Gerrera's Partisans.
Tenza proved to be an adept addition to the Partisans, thriving in his role as a proficient member, particularly when utilizing his DH-447 sniper rifle. In 0 BBY, Tenza was stationed at the Partisans' Jedha base, which held a group of incarcerated Alliance agents. The Partisans were compelled to evacuate when their headquarters was obliterated by a shockwave resulting from the Destruction of Jedha City, caused by the Empire's superweapon, the Death Star.
In 5 BBY, Leevan Tenza, a Sabat warrior, was a member of General Jan Dodonna's Massassi Group, a part of the Alliance to Restore the Republic.  However, Tenza disobeyed orders to attack an Imperial target earlier than intended, leading to his arrest by the Alliance. Rather than face a court-martial, Tenza escaped custody to join Saw Gerrera's Partisans, who were known for their radical resistance against the Empire. 
Tenza then promptly proved his worth to the Partisans as an efficient & valuble member, particularly when utilizing his DH-447 sniper rifle. So while some Partisans had defected from the Alliance due to their belief in more extreme methods of resistance, Tenza had a different motivation for joining the group.
In 0 BBY, Tenza was among the Partisans stationed with Gerrera in the Catacombs of Cadera on Jedha when a group of Alliance agents were captured and imprisoned in the catacombs. Tenza was seen playing a homemade variant of dejarik with other Partisans near the cells where the prisoners were held.  Later, he was seen standing at a terminal as Jyn Erso, one of the Alliance agents, was escorted through the room on her way to see Gerrera. 
The Partisans were forced to evacuate the catacombs when the structure was destroyed by the blast wave generated by the Empire's use of the Death Star superweapon to destroy Jedha City. While some Partisans survived the blast, others, including Gerrera, perished. At some point, an artist referenced Tenza in his journal, including a depiction of the Sabat as an example of his species.
Personality and Physical traits
Leevan Tenza was an individual who, when arrested by the Alliance for disobeying an order, was willing to accept his guilt rather than asserting his innocence, though that didn't stop him from escaping in order to find a better fit among the more casual organization of Saw Gerrera's Partisans. He had been arrested for engaging Imperial forces despite orders by his superiors not to, betraying something of a reckless streak.
Despite his laconic nature, Tenza was tested when he realized the blast wave from the Death Star's attack was headed toward the catacombs.
Tenza was an individual with pink skin and gray hair, and his physical appearance is sometimes depicted in various works of art.
Equipment and Gear
Tenza was known to wear a light brown jacket over a dark brown shirt with a black and red kama and brown pants while in the catacombs. He accessorized his outfit with black and red fingerless gloves, black boots, and several brown bandoliers and belts filled with ammunition. 
In addition, he was often seen chewing on a toothpick while playing dejarik, and he carried a DH-447 sniper rifle with him . Tenza was also known to fly a T-65B X-wing starfighter for the Partisans, which bore the colors of the Cavern Angels squadron.
Behind the scenes information
The character of Leevan Tenza made his first appearance in the 2016 film "Rogue One: A Star Wars Story," portrayed by creature performer Dilu Miah. Although Tenza was not named in the film itself, he was identified and received a name in the accompanying reference book "Star Wars: Rogue One: The Ultimate Visual Guide," which was written by Pablo Hidalgo. This guide provided additional information about the film's characters, settings, and events, and was released as a companion to the film.
Live Action TV Show
Appears at Saw Gererra's base
Live Action Movie