Pacifism was the term used to describe the beliefs of anyone who opposed wars and the use of violence. Anyone who took this choice of life was known as a pacifist.
The Seventh Doctor once described it as a "noble ideal". (AUDIO: Fiesta of the Damned) The Thirteenth Doctor commented that it was a "strong position to take during wartime." (TV: Spyfall) "Pacifism" was a swear word for Sontarans, who found honour only in battle. (AUDIO: The Eternal Battle)
Pacifist species
After the neutronic war that mutated its survivors, the Thals became a pacifist race. (TV: "The Ambush") The First Doctor wanted them to attack the Daleks, telling his granddaughter Susan that it was "no time for morals". (TV: "The Expedition")
Professor Mehendri Solon, a follower of the Renegade Time Lord Morbius, branded the Time Lords who rejected him as "pacifist degenerates". (TV: The Brain of Morbius)
During the human-Hath War on Messaline in 6012, there was an outbreak of pacifism among the humans in the Eastern Zone, three generations before the Tenth Doctor's arrival. (TV: The Doctor's Daughter)
The Arbitans were pacifistic until the Voord forced them to fight. (TV: The Keys of Marinus)
Rills only fought when attacked and were left with no other options. (PROSE: Galaxy Four)
The Dulcians outlawed wars. (TV: The Dominators)
The Humanoid Daleks were pacifists before their leader, Drenz, was murdered by the Dalek War Minister, Zolfian. (COMIC: Genesis of Evil)
After the Cybermen became Cyberlords, they were pacifists. (PROSE: Synthespians™)
The Telphin became pacifists after it was "banished from their culture". (COMIC: Memorial)
The Thains were pacifists to the point of having no weapons save in their museum. This left them unable to defend themselves when the Kleptons attacked their city. (COMIC: The Klepton Parasites)
Pacifist individuals
The Thirteenth Doctor identified as a pacifist, as did Noor Inayat Khan, a British spy operating in Nazi-occupied Paris in World War II. As such, Noor did not carry a gun or a cyanide pill, only her radio equipment. (TV: Spyfall)
While posing as Professor Carl Thascalos, the Master claimed to be a pacifist. (TV: The Time Monster)
Herrick branded Orfe a pacifist as he had no wish to take up arms against the Time Lords. (TV: Underworld)
Sarah Jane Smith often expressed her dislike for violence. (TV: Invasion of the Bane, TV: The Stolen Earth)
During the Thousand Year War on Skaro, Kaled pacifists were known as "peace activists" and were viewed with suspicion and disdain. Major Brogan was secretly a peace activist in spite of the fact that he was an officer in the Military Elite. (AUDIO: Innocence) Yarvell was inspired by his example to become involved with the peace movement. (AUDIO: Purity)