- "Hadir's well-trained... teamed up, kidnapped, it doesn't matter."
- — Kate Laswell
Hadir Ahmed Karim is a supporting character, later revealing himself to be the tertiary antagonist of Call of Duty: Modern Warfare. He was responsible for helping orchestrate and lead the theft of chemical weapons, including chlorine gas from Kastovia for use against the Russian Armed Forces.
Hadir was a fighter in the Urzikstan Liberation Force, serving as a combat Lieutenant, reporting directly to his younger sister, Farah. Together, they fought to protect, rescue, and free their country from a Russian occupation. Hadir's father was a professor and his mother was a civil servant for her district in Urzikstan, both respected in their community. Like his parents, Hadir has always sought to make something of himself, but grew up in a world of war-torn streets with death around every corner.
Hadir's life changed irreparably when General Barkov’s rogue army invaded Urzikstan and, in a matter of minutes, imposed their will, blanketing his hometown with ordnance and poison gas. One minute, Hadir was doing homework and the next, he was trying to escape rifles, gas bombs and capture. Too young, small and scared, Hadir has always been haunted by guilt over his inability to render more aid. With the help of his sister Farah, they attempted to escape, but were both apprehended and taken to a prison camp.
Losing his family, his home and his innocence, like many in his generation, Hadir and his sister Farah grew up in prison without guidance, education or moral instruction. These events fomented a violent and aggressive streak. For Hadir, warplanes, enemy tanks and checkpoints were a normal part of his daily life. After helping his sister lead a rebellion to break free from Barkov’s POW camp, he became a prominent figure and an influence on emerging combatants. Here, he shaped his personality and reputation as a hostile, cunning guerilla fighter. Because he was there when the shelling started, Hadir is viewed as someone to be trusted by his community and beyond.
Left an angry and restless soul with the heart of a warrior, Hadir learned to keep his cards, feelings and plans to himself. Secretive, not through deviousness, but because he had to be to survive. Farah and Hadir see eye to eye on their ultimate goal – to liberate their people – but don’t always align on tactics or strategy. Today, Hadir is Farah’s lieutenant, but differs with his sister philosophically when it comes to battle.
Hadir has never been beyond the borders of his country and often returns to his birth city to lead counter-occupation attacks. "I couldn't, because my dad and mum are buried here," he says. “I didn’t want to be away from them. Now, it is time to go wherever we must, to achieve victory.” Hadir considers more aggressive actions to be a necessary part of liberating his people. His singular purpose is to defeat those occupying his land by any means necessary.
Initially, as a second-in-command in ULF, Hadir supported Farah and her western allies. However, little did they know, Hadir secretly allied with Al-Qatala behind Farah's back, and stole chemical weapons from Russia. During an operation in Urzikstan, Hadir unleashes the gas on Russian troops before leaving "Alex" and Farah behind with gas masks.
Hadir then joins The Wolf in his hideout, but escapes before a joint SAS-CIA team raids the place. Hadir, with Al-Qatala's assistance, raids Barkov's residence in Moldova and takes his family members as hostages while making a plan to destroy Barkov's gas factory and kill the General once and for all. However, Captain Price and Sergeant Kyle arrive and capture him. Hadir is collected from the pair by Kate Laswell and handed over to the Russian government.
Hadir is once again mentioned in the ending cutscene, where Laswell reveals that Victor Zakhaev, who is aiming for Barkov's throne, is "big fan of Hadir," which is why he is still alive.
Much like his sister, Hadir is filled with patriotism and determination to protect his motherland. However, unlike Farah, Hadir is less binding to morals and rules, which led to his alliance with Al-Qatala and use of Russian poison gas. However, Hadir's motive and goal is still the same with Farah's - to liberate his people and family. He also seems to have a keen sense and capability of survival. Even when Hadir and Farah were still young children, Hadir successfully killed a trained soldier with Farah, and led her through Russian forces to escape Urzikstan. He continued to survive many fights in ULF, and even managed to escape The Wolf's Den and Barkov's residence unscarred.